embedaddon/dnsmasq/src/option.c - diff

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Diff for /embedaddon/dnsmasq/src/option.c between versions 1.1.1.2 and 1.1.1.5

version 1.1.1.2, 2014/06/15 16:31:38	version 1.1.1.5, 2023/09/27 11:02:07
Line 1	Line 1
/* dnsmasq is Copyright (c) 2000-2014 Simon Kelley	/* dnsmasq is Copyright (c) 2000-2022 Simon Kelley

This program is free software; you can redistribute it and/or modify	This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by	it under the terms of the GNU General Public License as published by
Line 129 struct myoption {	Line 129 struct myoption {
#define LOPT_AUTHPEER 318	#define LOPT_AUTHPEER 318
#define LOPT_IPSET 319	#define LOPT_IPSET 319
#define LOPT_SYNTH 320	#define LOPT_SYNTH 320
#ifdef OPTION6_PREFIX_CLASS
#define LOPT_PREF_CLSS 321
#endif
#define LOPT_RELAY 323	#define LOPT_RELAY 323
#define LOPT_RA_PARAM 324	#define LOPT_RA_PARAM 324
#define LOPT_ADD_SBNET 325	#define LOPT_ADD_SBNET 325
Line 146 struct myoption {	Line 143 struct myoption {
#define LOPT_DNSSEC_CHECK 334	#define LOPT_DNSSEC_CHECK 334
#define LOPT_LOCAL_SERVICE 335	#define LOPT_LOCAL_SERVICE 335
#define LOPT_DNSSEC_TIME 336	#define LOPT_DNSSEC_TIME 336
	#define LOPT_LOOP_DETECT 337
	#define LOPT_IGNORE_ADDR 338
	#define LOPT_MINCTTL 339
	#define LOPT_DHCP_INOTIFY 340
	#define LOPT_DHOPT_INOTIFY 341
	#define LOPT_HOST_INOTIFY 342
	#define LOPT_DNSSEC_STAMP 343
	#define LOPT_TFTP_NO_FAIL 344
	#define LOPT_MAXPORT 345
	#define LOPT_CPE_ID 346
	#define LOPT_SCRIPT_ARP 347
	#define LOPT_DHCPTTL 348
	#define LOPT_TFTP_MTU 349
	#define LOPT_REPLY_DELAY 350
	#define LOPT_RAPID_COMMIT 351
	#define LOPT_DUMPFILE 352
	#define LOPT_DUMPMASK 353
	#define LOPT_UBUS 354
	#define LOPT_NAME_MATCH 355
	#define LOPT_CAA 356
	#define LOPT_SHARED_NET 357
	#define LOPT_IGNORE_CLID 358
	#define LOPT_SINGLE_PORT 359
	#define LOPT_SCRIPT_TIME 360
	#define LOPT_PXE_VENDOR 361
	#define LOPT_DYNHOST 362
	#define LOPT_LOG_DEBUG 363
	#define LOPT_UMBRELLA 364
	#define LOPT_CMARK_ALST_EN 365
	#define LOPT_CMARK_ALST 366
	#define LOPT_QUIET_TFTP 367
	#define LOPT_NFTSET 368
	#define LOPT_FILTER_A 369
	#define LOPT_FILTER_AAAA 370
	#define LOPT_STRIP_SBNET 371
	#define LOPT_STRIP_MAC 372
	#define LOPT_CONF_OPT 373
	#define LOPT_CONF_SCRIPT 374
	#define LOPT_RANDPORT_LIM 375
	#define LOPT_FAST_RETRY 376
	#define LOPT_STALE_CACHE 377
	#define LOPT_NORR 378
	#define LOPT_NO_IDENT 379

#ifdef HAVE_GETOPT_LONG	#ifdef HAVE_GETOPT_LONG
static const struct option opts[] =	static const struct option opts[] =
Line 158 static const struct myoption opts[] =	Line 198 static const struct myoption opts[] =
{ "no-poll", 0, 0, 'n' },	{ "no-poll", 0, 0, 'n' },
{ "help", 0, 0, 'w' },	{ "help", 0, 0, 'w' },
{ "no-daemon", 0, 0, 'd' },	{ "no-daemon", 0, 0, 'd' },
{ "log-queries", 0, 0, 'q' },	{ "log-queries", 2, 0, 'q' },
{ "user", 2, 0, 'u' },	{ "user", 2, 0, 'u' },
{ "group", 2, 0, 'g' },	{ "group", 2, 0, 'g' },
{ "resolv-file", 2, 0, 'r' },	{ "resolv-file", 2, 0, 'r' },
Line 180 static const struct myoption opts[] =	Line 220 static const struct myoption opts[] =
{ "local-service", 0, 0, LOPT_LOCAL_SERVICE },	{ "local-service", 0, 0, LOPT_LOCAL_SERVICE },
{ "bogus-priv", 0, 0, 'b' },	{ "bogus-priv", 0, 0, 'b' },
{ "bogus-nxdomain", 1, 0, 'B' },	{ "bogus-nxdomain", 1, 0, 'B' },
	{ "ignore-address", 1, 0, LOPT_IGNORE_ADDR },
{ "selfmx", 0, 0, 'e' },	{ "selfmx", 0, 0, 'e' },
{ "filterwin2k", 0, 0, 'f' },	{ "filterwin2k", 0, 0, 'f' },
	{ "filter-A", 0, 0, LOPT_FILTER_A },
	{ "filter-AAAA", 0, 0, LOPT_FILTER_AAAA },
{ "pid-file", 2, 0, 'x' },	{ "pid-file", 2, 0, 'x' },
{ "strict-order", 0, 0, 'o' },	{ "strict-order", 0, 0, 'o' },
{ "server", 1, 0, 'S' },	{ "server", 1, 0, 'S' },
Line 189 static const struct myoption opts[] =	Line 232 static const struct myoption opts[] =
{ "local", 1, 0, LOPT_LOCAL },	{ "local", 1, 0, LOPT_LOCAL },
{ "address", 1, 0, 'A' },	{ "address", 1, 0, 'A' },
{ "conf-file", 2, 0, 'C' },	{ "conf-file", 2, 0, 'C' },
	{ "conf-script", 1, 0, LOPT_CONF_SCRIPT },
{ "no-resolv", 0, 0, 'R' },	{ "no-resolv", 0, 0, 'R' },
{ "expand-hosts", 0, 0, 'E' },	{ "expand-hosts", 0, 0, 'E' },
{ "localmx", 0, 0, 'L' },	{ "localmx", 0, 0, 'L' },
{ "local-ttl", 1, 0, 'T' },	{ "local-ttl", 1, 0, 'T' },
{ "no-negcache", 0, 0, 'N' },	{ "no-negcache", 0, 0, 'N' },
	{ "no-round-robin", 0, 0, LOPT_NORR },
{ "addn-hosts", 1, 0, 'H' },	{ "addn-hosts", 1, 0, 'H' },
	{ "hostsdir", 1, 0, LOPT_HOST_INOTIFY },
{ "query-port", 1, 0, 'Q' },	{ "query-port", 1, 0, 'Q' },
{ "except-interface", 1, 0, 'I' },	{ "except-interface", 1, 0, 'I' },
{ "no-dhcp-interface", 1, 0, '2' },	{ "no-dhcp-interface", 1, 0, '2' },
Line 212 static const struct myoption opts[] =	Line 258 static const struct myoption opts[] =
{ "srv-host", 1, 0, 'W' },	{ "srv-host", 1, 0, 'W' },
{ "localise-queries", 0, 0, 'y' },	{ "localise-queries", 0, 0, 'y' },
{ "txt-record", 1, 0, 'Y' },	{ "txt-record", 1, 0, 'Y' },
	{ "caa-record", 1, 0 , LOPT_CAA },
{ "dns-rr", 1, 0, LOPT_RR },	{ "dns-rr", 1, 0, LOPT_RR },
{ "enable-dbus", 2, 0, '1' },	{ "enable-dbus", 2, 0, '1' },
	{ "enable-ubus", 2, 0, LOPT_UBUS },
{ "bootp-dynamic", 2, 0, '3' },	{ "bootp-dynamic", 2, 0, '3' },
{ "dhcp-mac", 1, 0, '4' },	{ "dhcp-mac", 1, 0, '4' },
{ "no-ping", 0, 0, '5' },	{ "no-ping", 0, 0, '5' },
Line 221 static const struct myoption opts[] =	Line 269 static const struct myoption opts[] =
{ "conf-dir", 1, 0, '7' },	{ "conf-dir", 1, 0, '7' },
{ "log-facility", 1, 0 ,'8' },	{ "log-facility", 1, 0 ,'8' },
{ "leasefile-ro", 0, 0, '9' },	{ "leasefile-ro", 0, 0, '9' },
	{ "script-on-renewal", 0, 0, LOPT_SCRIPT_TIME},
{ "dns-forward-max", 1, 0, '0' },	{ "dns-forward-max", 1, 0, '0' },
{ "clear-on-reload", 0, 0, LOPT_RELOAD },	{ "clear-on-reload", 0, 0, LOPT_RELOAD },
{ "dhcp-ignore-names", 2, 0, LOPT_NO_NAMES },	{ "dhcp-ignore-names", 2, 0, LOPT_NO_NAMES },
{ "enable-tftp", 2, 0, LOPT_TFTP },	{ "enable-tftp", 2, 0, LOPT_TFTP },
{ "tftp-secure", 0, 0, LOPT_SECURE },	{ "tftp-secure", 0, 0, LOPT_SECURE },
{ "tftp-unique-root", 0, 0, LOPT_APREF },	{ "tftp-no-fail", 0, 0, LOPT_TFTP_NO_FAIL },
	{ "tftp-unique-root", 2, 0, LOPT_APREF },
{ "tftp-root", 1, 0, LOPT_PREFIX },	{ "tftp-root", 1, 0, LOPT_PREFIX },
{ "tftp-max", 1, 0, LOPT_TFTP_MAX },	{ "tftp-max", 1, 0, LOPT_TFTP_MAX },
	{ "tftp-mtu", 1, 0, LOPT_TFTP_MTU },
{ "tftp-lowercase", 0, 0, LOPT_TFTP_LC },	{ "tftp-lowercase", 0, 0, LOPT_TFTP_LC },
	{ "tftp-single-port", 0, 0, LOPT_SINGLE_PORT },
{ "ptr-record", 1, 0, LOPT_PTR },	{ "ptr-record", 1, 0, LOPT_PTR },
{ "naptr-record", 1, 0, LOPT_NAPTR },	{ "naptr-record", 1, 0, LOPT_NAPTR },
{ "bridge-interface", 1, 0 , LOPT_BRIDGE },	{ "bridge-interface", 1, 0 , LOPT_BRIDGE },
	{ "shared-network", 1, 0, LOPT_SHARED_NET },
{ "dhcp-option-force", 1, 0, LOPT_FORCE },	{ "dhcp-option-force", 1, 0, LOPT_FORCE },
{ "tftp-no-blocksize", 0, 0, LOPT_NOBLOCK },	{ "tftp-no-blocksize", 0, 0, LOPT_NOBLOCK },
{ "log-dhcp", 0, 0, LOPT_LOG_OPTS },	{ "log-dhcp", 0, 0, LOPT_LOG_OPTS },
Line 240 static const struct myoption opts[] =	Line 293 static const struct myoption opts[] =
{ "dhcp-circuitid", 1, 0, LOPT_CIRCUIT },	{ "dhcp-circuitid", 1, 0, LOPT_CIRCUIT },
{ "dhcp-remoteid", 1, 0, LOPT_REMOTE },	{ "dhcp-remoteid", 1, 0, LOPT_REMOTE },
{ "dhcp-subscrid", 1, 0, LOPT_SUBSCR },	{ "dhcp-subscrid", 1, 0, LOPT_SUBSCR },
	{ "dhcp-pxe-vendor", 1, 0, LOPT_PXE_VENDOR },
{ "interface-name", 1, 0, LOPT_INTNAME },	{ "interface-name", 1, 0, LOPT_INTNAME },
{ "dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST },	{ "dhcp-hostsfile", 1, 0, LOPT_DHCP_HOST },
{ "dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS },	{ "dhcp-optsfile", 1, 0, LOPT_DHCP_OPTS },
	{ "dhcp-hostsdir", 1, 0, LOPT_DHCP_INOTIFY },
	{ "dhcp-optsdir", 1, 0, LOPT_DHOPT_INOTIFY },
{ "dhcp-no-override", 0, 0, LOPT_OVERRIDE },	{ "dhcp-no-override", 0, 0, LOPT_OVERRIDE },
{ "tftp-port-range", 1, 0, LOPT_TFTPPORTS },	{ "tftp-port-range", 1, 0, LOPT_TFTPPORTS },
{ "stop-dns-rebind", 0, 0, LOPT_REBIND },	{ "stop-dns-rebind", 0, 0, LOPT_REBIND },
{ "rebind-domain-ok", 1, 0, LOPT_NO_REBIND },	{ "rebind-domain-ok", 1, 0, LOPT_NO_REBIND },
{ "all-servers", 0, 0, LOPT_NOLAST },	{ "all-servers", 0, 0, LOPT_NOLAST },
{ "dhcp-match", 1, 0, LOPT_MATCH },	{ "dhcp-match", 1, 0, LOPT_MATCH },
	{ "dhcp-name-match", 1, 0, LOPT_NAME_MATCH },
{ "dhcp-broadcast", 2, 0, LOPT_BROADCAST },	{ "dhcp-broadcast", 2, 0, LOPT_BROADCAST },
{ "neg-ttl", 1, 0, LOPT_NEGTTL },	{ "neg-ttl", 1, 0, LOPT_NEGTTL },
{ "max-ttl", 1, 0, LOPT_MAXTTL },	{ "max-ttl", 1, 0, LOPT_MAXTTL },
	{ "min-cache-ttl", 1, 0, LOPT_MINCTTL },
{ "max-cache-ttl", 1, 0, LOPT_MAXCTTL },	{ "max-cache-ttl", 1, 0, LOPT_MAXCTTL },
{ "dhcp-alternate-port", 2, 0, LOPT_ALTPORT },	{ "dhcp-alternate-port", 2, 0, LOPT_ALTPORT },
{ "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR },	{ "dhcp-scriptuser", 1, 0, LOPT_SCRIPTUSR },
{ "min-port", 1, 0, LOPT_MINPORT },	{ "min-port", 1, 0, LOPT_MINPORT },
	{ "max-port", 1, 0, LOPT_MAXPORT },
{ "dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN },	{ "dhcp-fqdn", 0, 0, LOPT_DHCP_FQDN },
{ "cname", 1, 0, LOPT_CNAME },	{ "cname", 1, 0, LOPT_CNAME },
{ "pxe-prompt", 1, 0, LOPT_PXE_PROMT },	{ "pxe-prompt", 1, 0, LOPT_PXE_PROMT },
Line 265 static const struct myoption opts[] =	Line 324 static const struct myoption opts[] =
{ "dhcp-proxy", 2, 0, LOPT_PROXY },	{ "dhcp-proxy", 2, 0, LOPT_PROXY },
{ "dhcp-generate-names", 2, 0, LOPT_GEN_NAMES },	{ "dhcp-generate-names", 2, 0, LOPT_GEN_NAMES },
{ "rebind-localhost-ok", 0, 0, LOPT_LOC_REBND },	{ "rebind-localhost-ok", 0, 0, LOPT_LOC_REBND },
{ "add-mac", 0, 0, LOPT_ADD_MAC },	{ "add-mac", 2, 0, LOPT_ADD_MAC },
	{ "strip-mac", 0, 0, LOPT_STRIP_MAC },
{ "add-subnet", 2, 0, LOPT_ADD_SBNET },	{ "add-subnet", 2, 0, LOPT_ADD_SBNET },
	{ "strip-subnet", 0, 0, LOPT_STRIP_SBNET },
	{ "add-cpe-id", 1, 0 , LOPT_CPE_ID },
{ "proxy-dnssec", 0, 0, LOPT_DNSSEC },	{ "proxy-dnssec", 0, 0, LOPT_DNSSEC },
{ "dhcp-sequential-ip", 0, 0, LOPT_INCR_ADDR },	{ "dhcp-sequential-ip", 0, 0, LOPT_INCR_ADDR },
{ "conntrack", 0, 0, LOPT_CONNTRACK },	{ "conntrack", 0, 0, LOPT_CONNTRACK },
Line 283 static const struct myoption opts[] =	Line 345 static const struct myoption opts[] =
{ "auth-sec-servers", 1, 0, LOPT_AUTHSFS },	{ "auth-sec-servers", 1, 0, LOPT_AUTHSFS },
{ "auth-peer", 1, 0, LOPT_AUTHPEER },	{ "auth-peer", 1, 0, LOPT_AUTHPEER },
{ "ipset", 1, 0, LOPT_IPSET },	{ "ipset", 1, 0, LOPT_IPSET },
	{ "nftset", 1, 0, LOPT_NFTSET },
	{ "connmark-allowlist-enable", 2, 0, LOPT_CMARK_ALST_EN },
	{ "connmark-allowlist", 1, 0, LOPT_CMARK_ALST },
{ "synth-domain", 1, 0, LOPT_SYNTH },	{ "synth-domain", 1, 0, LOPT_SYNTH },
{ "dnssec", 0, 0, LOPT_SEC_VALID },	{ "dnssec", 0, 0, LOPT_SEC_VALID },
{ "trust-anchor", 1, 0, LOPT_TRUST_ANCHOR },	{ "trust-anchor", 1, 0, LOPT_TRUST_ANCHOR },
{ "dnssec-debug", 0, 0, LOPT_DNSSEC_DEBUG },	{ "dnssec-debug", 0, 0, LOPT_DNSSEC_DEBUG },
{ "dnssec-check-unsigned", 0, 0, LOPT_DNSSEC_CHECK },	{ "dnssec-check-unsigned", 2, 0, LOPT_DNSSEC_CHECK },
{ "dnssec-no-timecheck", 0, 0, LOPT_DNSSEC_TIME },	{ "dnssec-no-timecheck", 0, 0, LOPT_DNSSEC_TIME },
#ifdef OPTION6_PREFIX_CLASS	{ "dnssec-timestamp", 1, 0, LOPT_DNSSEC_STAMP },
{ "dhcp-prefix-class", 1, 0, LOPT_PREF_CLSS },
#endif
{ "dhcp-relay", 1, 0, LOPT_RELAY },	{ "dhcp-relay", 1, 0, LOPT_RELAY },
{ "ra-param", 1, 0, LOPT_RA_PARAM },	{ "ra-param", 1, 0, LOPT_RA_PARAM },
{ "quiet-dhcp", 0, 0, LOPT_QUIET_DHCP },	{ "quiet-dhcp", 0, 0, LOPT_QUIET_DHCP },
{ "quiet-dhcp6", 0, 0, LOPT_QUIET_DHCP6 },	{ "quiet-dhcp6", 0, 0, LOPT_QUIET_DHCP6 },
{ "quiet-ra", 0, 0, LOPT_QUIET_RA },	{ "quiet-ra", 0, 0, LOPT_QUIET_RA },
	{ "dns-loop-detect", 0, 0, LOPT_LOOP_DETECT },
	{ "script-arp", 0, 0, LOPT_SCRIPT_ARP },
	{ "dhcp-ttl", 1, 0 , LOPT_DHCPTTL },
	{ "dhcp-reply-delay", 1, 0, LOPT_REPLY_DELAY },
	{ "dhcp-rapid-commit", 0, 0, LOPT_RAPID_COMMIT },
	{ "dumpfile", 1, 0, LOPT_DUMPFILE },
	{ "dumpmask", 1, 0, LOPT_DUMPMASK },
	{ "dhcp-ignore-clid", 0, 0, LOPT_IGNORE_CLID },
	{ "dynamic-host", 1, 0, LOPT_DYNHOST },
	{ "log-debug", 0, 0, LOPT_LOG_DEBUG },
	{ "umbrella", 2, 0, LOPT_UMBRELLA },
	{ "quiet-tftp", 0, 0, LOPT_QUIET_TFTP },
	{ "port-limit", 1, 0, LOPT_RANDPORT_LIM },
	{ "fast-dns-retry", 2, 0, LOPT_FAST_RETRY },
	{ "use-stale-cache", 2, 0 , LOPT_STALE_CACHE },
	{ "no-ident", 0, 0, LOPT_NO_IDENT },
{ NULL, 0, 0, 0 }	{ NULL, 0, 0, 0 }
};	};

Line 324 static struct {	Line 403 static struct {
{ 'e', OPT_SELFMX, NULL, gettext_noop("Return self-pointing MX records for local hosts."), NULL },	{ 'e', OPT_SELFMX, NULL, gettext_noop("Return self-pointing MX records for local hosts."), NULL },
{ 'E', OPT_EXPAND, NULL, gettext_noop("Expand simple names in /etc/hosts with domain-suffix."), NULL },	{ 'E', OPT_EXPAND, NULL, gettext_noop("Expand simple names in /etc/hosts with domain-suffix."), NULL },
{ 'f', OPT_FILTER, NULL, gettext_noop("Don't forward spurious DNS requests from Windows hosts."), NULL },	{ 'f', OPT_FILTER, NULL, gettext_noop("Don't forward spurious DNS requests from Windows hosts."), NULL },
	{ LOPT_FILTER_A, OPT_FILTER_A, NULL, gettext_noop("Don't include IPv4 addresses in DNS answers."), NULL },
	{ LOPT_FILTER_AAAA, OPT_FILTER_AAAA, NULL, gettext_noop("Don't include IPv6 addresses in DNS answers."), NULL },
{ 'F', ARG_DUP, "<ipaddr>,...", gettext_noop("Enable DHCP in the range given with lease duration."), NULL },	{ 'F', ARG_DUP, "<ipaddr>,...", gettext_noop("Enable DHCP in the range given with lease duration."), NULL },
{ 'g', ARG_ONE, "<groupname>", gettext_noop("Change to this group after startup (defaults to %s)."), CHGRP },	{ 'g', ARG_ONE, "<groupname>", gettext_noop("Change to this group after startup (defaults to %s)."), CHGRP },
{ 'G', ARG_DUP, "<hostspec>", gettext_noop("Set address or hostname for a specified machine."), NULL },	{ 'G', ARG_DUP, "<hostspec>", gettext_noop("Set address or hostname for a specified machine."), NULL },
{ LOPT_DHCP_HOST, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from file."), NULL },	{ LOPT_DHCP_HOST, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from file."), NULL },
{ LOPT_DHCP_OPTS, ARG_DUP, "<path>", gettext_noop("Read DHCP option specs from file."), NULL },	{ LOPT_DHCP_OPTS, ARG_DUP, "<path>", gettext_noop("Read DHCP option specs from file."), NULL },
	{ LOPT_DHCP_INOTIFY, ARG_DUP, "<path>", gettext_noop("Read DHCP host specs from a directory."), NULL },
	{ LOPT_DHOPT_INOTIFY, ARG_DUP, "<path>", gettext_noop("Read DHCP options from a directory."), NULL },
{ LOPT_TAG_IF, ARG_DUP, "tag-expression", gettext_noop("Evaluate conditional tag expression."), NULL },	{ LOPT_TAG_IF, ARG_DUP, "tag-expression", gettext_noop("Evaluate conditional tag expression."), NULL },
{ 'h', OPT_NO_HOSTS, NULL, gettext_noop("Do NOT load %s file."), HOSTSFILE },	{ 'h', OPT_NO_HOSTS, NULL, gettext_noop("Do NOT load %s file."), HOSTSFILE },
{ 'H', ARG_DUP, "<path>", gettext_noop("Specify a hosts file to be read in addition to %s."), HOSTSFILE },	{ 'H', ARG_DUP, "<path>", gettext_noop("Specify a hosts file to be read in addition to %s."), HOSTSFILE },
	{ LOPT_HOST_INOTIFY, ARG_DUP, "<path>", gettext_noop("Read hosts files from a directory."), NULL },
{ 'i', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) to listen on."), NULL },	{ 'i', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) to listen on."), NULL },
{ 'I', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) NOT to listen on.") , NULL },	{ 'I', ARG_DUP, "<interface>", gettext_noop("Specify interface(s) NOT to listen on.") , NULL },
{ 'j', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP user class to tag."), NULL },	{ 'j', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP user class to tag."), NULL },
{ LOPT_CIRCUIT, ARG_DUP, "set:<tag>,<circuit>", gettext_noop("Map RFC3046 circuit-id to tag."), NULL },	{ LOPT_CIRCUIT, ARG_DUP, "set:<tag>,<circuit>", gettext_noop("Map RFC3046 circuit-id to tag."), NULL },
{ LOPT_REMOTE, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3046 remote-id to tag."), NULL },	{ LOPT_REMOTE, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3046 remote-id to tag."), NULL },
{ LOPT_SUBSCR, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3993 subscriber-id to tag."), NULL },	{ LOPT_SUBSCR, ARG_DUP, "set:<tag>,<remote>", gettext_noop("Map RFC3993 subscriber-id to tag."), NULL },
	{ LOPT_PXE_VENDOR, ARG_DUP, "<vendor>[,...]", gettext_noop("Specify vendor class to match for PXE requests."), NULL },
{ 'J', ARG_DUP, "tag:<tag>...", gettext_noop("Don't do DHCP for hosts with tag set."), NULL },	{ 'J', ARG_DUP, "tag:<tag>...", gettext_noop("Don't do DHCP for hosts with tag set."), NULL },
{ LOPT_BROADCAST, ARG_DUP, "[=tag:<tag>...]", gettext_noop("Force broadcast replies for hosts with tag set."), NULL },	{ LOPT_BROADCAST, ARG_DUP, "[=tag:<tag>...]", gettext_noop("Force broadcast replies for hosts with tag set."), NULL },
{ 'k', OPT_NO_FORK, NULL, gettext_noop("Do NOT fork into the background, do NOT run in debug mode."), NULL },	{ 'k', OPT_NO_FORK, NULL, gettext_noop("Do NOT fork into the background, do NOT run in debug mode."), NULL },
Line 348 static struct {	Line 433 static struct {
{ 'M', ARG_DUP, "<bootp opts>", gettext_noop("Specify BOOTP options to DHCP server."), NULL },	{ 'M', ARG_DUP, "<bootp opts>", gettext_noop("Specify BOOTP options to DHCP server."), NULL },
{ 'n', OPT_NO_POLL, NULL, gettext_noop("Do NOT poll %s file, reload only on SIGHUP."), RESOLVFILE },	{ 'n', OPT_NO_POLL, NULL, gettext_noop("Do NOT poll %s file, reload only on SIGHUP."), RESOLVFILE },
{ 'N', OPT_NO_NEG, NULL, gettext_noop("Do NOT cache failed search results."), NULL },	{ 'N', OPT_NO_NEG, NULL, gettext_noop("Do NOT cache failed search results."), NULL },
	{ LOPT_STALE_CACHE, ARG_ONE, "[=<max_expired>]", gettext_noop("Use expired cache data for faster reply."), NULL },
{ 'o', OPT_ORDER, NULL, gettext_noop("Use nameservers strictly in the order given in %s."), RESOLVFILE },	{ 'o', OPT_ORDER, NULL, gettext_noop("Use nameservers strictly in the order given in %s."), RESOLVFILE },
{ 'O', ARG_DUP, "<optspec>", gettext_noop("Specify options to be sent to DHCP clients."), NULL },	{ 'O', ARG_DUP, "<optspec>", gettext_noop("Specify options to be sent to DHCP clients."), NULL },
{ LOPT_FORCE, ARG_DUP, "<optspec>", gettext_noop("DHCP option sent even if the client does not request it."), NULL},	{ LOPT_FORCE, ARG_DUP, "<optspec>", gettext_noop("DHCP option sent even if the client does not request it."), NULL},
{ 'p', ARG_ONE, "<integer>", gettext_noop("Specify port to listen for DNS requests on (defaults to 53)."), NULL },	{ 'p', ARG_ONE, "<integer>", gettext_noop("Specify port to listen for DNS requests on (defaults to 53)."), NULL },
{ 'P', ARG_ONE, "<integer>", gettext_noop("Maximum supported UDP packet size for EDNS.0 (defaults to %s)."), "*" },	{ 'P', ARG_ONE, "<integer>", gettext_noop("Maximum supported UDP packet size for EDNS.0 (defaults to %s)."), "*" },
{ 'q', OPT_LOG, NULL, gettext_noop("Log DNS queries."), NULL },	{ 'q', ARG_DUP, NULL, gettext_noop("Log DNS queries."), NULL },
{ 'Q', ARG_ONE, "<integer>", gettext_noop("Force the originating port for upstream DNS queries."), NULL },	{ 'Q', ARG_ONE, "<integer>", gettext_noop("Force the originating port for upstream DNS queries."), NULL },
	{ LOPT_RANDPORT_LIM, ARG_ONE, "#ports", gettext_noop("Set maximum number of random originating ports for a query."), NULL },
{ 'R', OPT_NO_RESOLV, NULL, gettext_noop("Do NOT read resolv.conf."), NULL },	{ 'R', OPT_NO_RESOLV, NULL, gettext_noop("Do NOT read resolv.conf."), NULL },
{ 'r', ARG_DUP, "<path>", gettext_noop("Specify path to resolv.conf (defaults to %s)."), RESOLVFILE },	{ 'r', ARG_DUP, "<path>", gettext_noop("Specify path to resolv.conf (defaults to %s)."), RESOLVFILE },
{ LOPT_SERVERS_FILE, ARG_ONE, "<path>", gettext_noop("Specify path to file with server= options"), NULL },	{ LOPT_SERVERS_FILE, ARG_ONE, "<path>", gettext_noop("Specify path to file with server= options"), NULL },
Line 366 static struct {	Line 453 static struct {
{ 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL },	{ 'T', ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for replies from /etc/hosts."), NULL },
{ LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL },	{ LOPT_NEGTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for negative caching."), NULL },
{ LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL },	{ LOPT_MAXTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live in seconds for maximum TTL to send to clients."), NULL },
	{ LOPT_MAXCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live ceiling for cache."), NULL },
	{ LOPT_MINCTTL, ARG_ONE, "<integer>", gettext_noop("Specify time-to-live floor for cache."), NULL },
	{ LOPT_FAST_RETRY, ARG_ONE, "<milliseconds>", gettext_noop("Retry DNS queries after this many milliseconds."), NULL},
{ 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER },	{ 'u', ARG_ONE, "<username>", gettext_noop("Change to this user after startup. (defaults to %s)."), CHUSER },
{ 'U', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP vendor class to tag."), NULL },	{ 'U', ARG_DUP, "set:<tag>,<class>", gettext_noop("Map DHCP vendor class to tag."), NULL },
{ 'v', 0, NULL, gettext_noop("Display dnsmasq version and copyright information."), NULL },	{ 'v', 0, NULL, gettext_noop("Display dnsmasq version and copyright information."), NULL },
{ 'V', ARG_DUP, "<ipaddr>,<ipaddr>,<netmask>", gettext_noop("Translate IPv4 addresses from upstream servers."), NULL },	{ 'V', ARG_DUP, "<ipaddr>,<ipaddr>,<netmask>", gettext_noop("Translate IPv4 addresses from upstream servers."), NULL },
{ 'W', ARG_DUP, "<name>,<target>,...", gettext_noop("Specify a SRV record."), NULL },	{ 'W', ARG_DUP, "<name>,<target>,...", gettext_noop("Specify a SRV record."), NULL },
{ 'w', 0, NULL, gettext_noop("Display this message. Use --help dhcp for known DHCP options."), NULL },	{ 'w', 0, NULL, gettext_noop("Display this message. Use --help dhcp or --help dhcp6 for known DHCP options."), NULL },
{ 'x', ARG_ONE, "<path>", gettext_noop("Specify path of PID file (defaults to %s)."), RUNFILE },	{ 'x', ARG_ONE, "<path>", gettext_noop("Specify path of PID file (defaults to %s)."), RUNFILE },
{ 'X', ARG_ONE, "<integer>", gettext_noop("Specify maximum number of DHCP leases (defaults to %s)."), "&" },	{ 'X', ARG_ONE, "<integer>", gettext_noop("Specify maximum number of DHCP leases (defaults to %s)."), "&" },
{ 'y', OPT_LOCALISE, NULL, gettext_noop("Answer DNS queries based on the interface a query was sent to."), NULL },	{ 'y', OPT_LOCALISE, NULL, gettext_noop("Answer DNS queries based on the interface a query was sent to."), NULL },
Line 381 static struct {	Line 471 static struct {
{ 'z', OPT_NOWILD, NULL, gettext_noop("Bind only to interfaces in use."), NULL },	{ 'z', OPT_NOWILD, NULL, gettext_noop("Bind only to interfaces in use."), NULL },
{ 'Z', OPT_ETHERS, NULL, gettext_noop("Read DHCP static host information from %s."), ETHERSFILE },	{ 'Z', OPT_ETHERS, NULL, gettext_noop("Read DHCP static host information from %s."), ETHERSFILE },
{ '1', ARG_ONE, "[=<busname>]", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL },	{ '1', ARG_ONE, "[=<busname>]", gettext_noop("Enable the DBus interface for setting upstream servers, etc."), NULL },
	{ LOPT_UBUS, ARG_ONE, "[=<busname>]", gettext_noop("Enable the UBus interface."), NULL },
{ '2', ARG_DUP, "<interface>", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL },	{ '2', ARG_DUP, "<interface>", gettext_noop("Do not provide DHCP on this interface, only provide DNS."), NULL },
{ '3', ARG_DUP, "[=tag:<tag>]...", gettext_noop("Enable dynamic address allocation for bootp."), NULL },	{ '3', ARG_DUP, "[=tag:<tag>]...", gettext_noop("Enable dynamic address allocation for bootp."), NULL },
{ '4', ARG_DUP, "set:<tag>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL },	{ '4', ARG_DUP, "set:<tag>,<mac address>", gettext_noop("Map MAC address (with wildcards) to option set."), NULL },
{ LOPT_BRIDGE, ARG_DUP, "<iface>,<alias>..", gettext_noop("Treat DHCP requests on aliases as arriving from interface."), NULL },	{ LOPT_BRIDGE, ARG_DUP, "<iface>,<alias>..", gettext_noop("Treat DHCP requests on aliases as arriving from interface."), NULL },
	{ LOPT_SHARED_NET, ARG_DUP, "<iface>\|<addr>,<addr>", gettext_noop("Specify extra networks sharing a broadcast domain for DHCP"), NULL},
{ '5', OPT_NO_PING, NULL, gettext_noop("Disable ICMP echo address checking in the DHCP server."), NULL },	{ '5', OPT_NO_PING, NULL, gettext_noop("Disable ICMP echo address checking in the DHCP server."), NULL },
{ '6', ARG_ONE, "<path>", gettext_noop("Shell script to run on DHCP lease creation and destruction."), NULL },	{ '6', ARG_ONE, "<path>", gettext_noop("Shell script to run on DHCP lease creation and destruction."), NULL },
{ LOPT_LUASCRIPT, ARG_DUP, "path", gettext_noop("Lua script to run on DHCP lease creation and destruction."), NULL },	{ LOPT_LUASCRIPT, ARG_DUP, "path", gettext_noop("Lua script to run on DHCP lease creation and destruction."), NULL },
{ LOPT_SCRIPTUSR, ARG_ONE, "<username>", gettext_noop("Run lease-change scripts as this user."), NULL },	{ LOPT_SCRIPTUSR, ARG_ONE, "<username>", gettext_noop("Run lease-change scripts as this user."), NULL },
	{ LOPT_SCRIPT_ARP, OPT_SCRIPT_ARP, NULL, gettext_noop("Call dhcp-script with changes to local ARP table."), NULL },
{ '7', ARG_DUP, "<path>", gettext_noop("Read configuration from all the files in this directory."), NULL },	{ '7', ARG_DUP, "<path>", gettext_noop("Read configuration from all the files in this directory."), NULL },
{ '8', ARG_ONE, "<facilty>\|<file>", gettext_noop("Log to this syslog facility or file. (defaults to DAEMON)"), NULL },	{ LOPT_CONF_SCRIPT, ARG_DUP, "<path>", gettext_noop("Execute file and read configuration from stdin."), NULL },
	{ '8', ARG_ONE, "<facility>\|<file>", gettext_noop("Log to this syslog facility or file. (defaults to DAEMON)"), NULL },
{ '9', OPT_LEASE_RO, NULL, gettext_noop("Do not use leasefile."), NULL },	{ '9', OPT_LEASE_RO, NULL, gettext_noop("Do not use leasefile."), NULL },
{ '0', ARG_ONE, "<integer>", gettext_noop("Maximum number of concurrent DNS queries. (defaults to %s)"), "!" },	{ '0', ARG_ONE, "<integer>", gettext_noop("Maximum number of concurrent DNS queries. (defaults to %s)"), "!" },
{ LOPT_RELOAD, OPT_RELOAD, NULL, gettext_noop("Clear DNS cache when reloading %s."), RESOLVFILE },	{ LOPT_RELOAD, OPT_RELOAD, NULL, gettext_noop("Clear DNS cache when reloading %s."), RESOLVFILE },
Line 398 static struct {	Line 492 static struct {
{ LOPT_OVERRIDE, OPT_NO_OVERRIDE, NULL, gettext_noop("Do NOT reuse filename and server fields for extra DHCP options."), NULL },	{ LOPT_OVERRIDE, OPT_NO_OVERRIDE, NULL, gettext_noop("Do NOT reuse filename and server fields for extra DHCP options."), NULL },
{ LOPT_TFTP, ARG_DUP, "[=<intr>[,<intr>]]", gettext_noop("Enable integrated read-only TFTP server."), NULL },	{ LOPT_TFTP, ARG_DUP, "[=<intr>[,<intr>]]", gettext_noop("Enable integrated read-only TFTP server."), NULL },
{ LOPT_PREFIX, ARG_DUP, "<dir>[,<iface>]", gettext_noop("Export files by TFTP only from the specified subtree."), NULL },	{ LOPT_PREFIX, ARG_DUP, "<dir>[,<iface>]", gettext_noop("Export files by TFTP only from the specified subtree."), NULL },
{ LOPT_APREF, OPT_TFTP_APREF, NULL, gettext_noop("Add client IP address to tftp-root."), NULL },	{ LOPT_APREF, ARG_DUP, "[=ip\|mac]", gettext_noop("Add client IP or hardware address to tftp-root."), NULL },
{ LOPT_SECURE, OPT_TFTP_SECURE, NULL, gettext_noop("Allow access only to files owned by the user running dnsmasq."), NULL },	{ LOPT_SECURE, OPT_TFTP_SECURE, NULL, gettext_noop("Allow access only to files owned by the user running dnsmasq."), NULL },
{ LOPT_TFTP_MAX, ARG_ONE, "<integer>", gettext_noop("Maximum number of conncurrent TFTP transfers (defaults to %s)."), "#" },	{ LOPT_TFTP_NO_FAIL, OPT_TFTP_NO_FAIL, NULL, gettext_noop("Do not terminate the service if TFTP directories are inaccessible."), NULL },
	{ LOPT_TFTP_MAX, ARG_ONE, "<integer>", gettext_noop("Maximum number of concurrent TFTP transfers (defaults to %s)."), "#" },
	{ LOPT_TFTP_MTU, ARG_ONE, "<integer>", gettext_noop("Maximum MTU to use for TFTP transfers."), NULL },
{ LOPT_NOBLOCK, OPT_TFTP_NOBLOCK, NULL, gettext_noop("Disable the TFTP blocksize extension."), NULL },	{ LOPT_NOBLOCK, OPT_TFTP_NOBLOCK, NULL, gettext_noop("Disable the TFTP blocksize extension."), NULL },
{ LOPT_TFTP_LC, OPT_TFTP_LC, NULL, gettext_noop("Convert TFTP filenames to lowercase"), NULL },	{ LOPT_TFTP_LC, OPT_TFTP_LC, NULL, gettext_noop("Convert TFTP filenames to lowercase"), NULL },
{ LOPT_TFTPPORTS, ARG_ONE, "<start>,<end>", gettext_noop("Ephemeral port range for use by TFTP transfers."), NULL },	{ LOPT_TFTPPORTS, ARG_ONE, "<start>,<end>", gettext_noop("Ephemeral port range for use by TFTP transfers."), NULL },
	{ LOPT_SINGLE_PORT, OPT_SINGLE_PORT, NULL, gettext_noop("Use only one port for TFTP server."), NULL },
{ LOPT_LOG_OPTS, OPT_LOG_OPTS, NULL, gettext_noop("Extra logging for DHCP."), NULL },	{ LOPT_LOG_OPTS, OPT_LOG_OPTS, NULL, gettext_noop("Extra logging for DHCP."), NULL },
{ LOPT_MAX_LOGS, ARG_ONE, "[=<integer>]", gettext_noop("Enable async. logging; optionally set queue length."), NULL },	{ LOPT_MAX_LOGS, ARG_ONE, "[=<integer>]", gettext_noop("Enable async. logging; optionally set queue length."), NULL },
{ LOPT_REBIND, OPT_NO_REBIND, NULL, gettext_noop("Stop DNS rebinding. Filter private IP ranges when resolving."), NULL },	{ LOPT_REBIND, OPT_NO_REBIND, NULL, gettext_noop("Stop DNS rebinding. Filter private IP ranges when resolving."), NULL },
Line 411 static struct {	Line 508 static struct {
{ LOPT_NO_REBIND, ARG_DUP, "/<domain>/", gettext_noop("Inhibit DNS-rebind protection on this domain."), NULL },	{ LOPT_NO_REBIND, ARG_DUP, "/<domain>/", gettext_noop("Inhibit DNS-rebind protection on this domain."), NULL },
{ LOPT_NOLAST, OPT_ALL_SERVERS, NULL, gettext_noop("Always perform DNS queries to all servers."), NULL },	{ LOPT_NOLAST, OPT_ALL_SERVERS, NULL, gettext_noop("Always perform DNS queries to all servers."), NULL },
{ LOPT_MATCH, ARG_DUP, "set:<tag>,<optspec>", gettext_noop("Set tag if client includes matching option in request."), NULL },	{ LOPT_MATCH, ARG_DUP, "set:<tag>,<optspec>", gettext_noop("Set tag if client includes matching option in request."), NULL },
	{ LOPT_NAME_MATCH, ARG_DUP, "set:<tag>,<string>[*]", gettext_noop("Set tag if client provides given name."), NULL },
{ LOPT_ALTPORT, ARG_ONE, "[=<ports>]", gettext_noop("Use alternative ports for DHCP."), NULL },	{ LOPT_ALTPORT, ARG_ONE, "[=<ports>]", gettext_noop("Use alternative ports for DHCP."), NULL },
{ LOPT_NAPTR, ARG_DUP, "<name>,<naptr>", gettext_noop("Specify NAPTR DNS record."), NULL },	{ LOPT_NAPTR, ARG_DUP, "<name>,<naptr>", gettext_noop("Specify NAPTR DNS record."), NULL },
{ LOPT_MINPORT, ARG_ONE, "<port>", gettext_noop("Specify lowest port available for DNS query transmission."), NULL },	{ LOPT_MINPORT, ARG_ONE, "<port>", gettext_noop("Specify lowest port available for DNS query transmission."), NULL },
	{ LOPT_MAXPORT, ARG_ONE, "<port>", gettext_noop("Specify highest port available for DNS query transmission."), NULL },
{ LOPT_DHCP_FQDN, OPT_DHCP_FQDN, NULL, gettext_noop("Use only fully qualified domain names for DHCP clients."), NULL },	{ LOPT_DHCP_FQDN, OPT_DHCP_FQDN, NULL, gettext_noop("Use only fully qualified domain names for DHCP clients."), NULL },
{ LOPT_GEN_NAMES, ARG_DUP, "[=tag:<tag>]", gettext_noop("Generate hostnames based on MAC address for nameless clients."), NULL},	{ LOPT_GEN_NAMES, ARG_DUP, "[=tag:<tag>]", gettext_noop("Generate hostnames based on MAC address for nameless clients."), NULL},
{ LOPT_PROXY, ARG_DUP, "[=<ipaddr>]...", gettext_noop("Use these DHCP relays as full proxies."), NULL },	{ LOPT_PROXY, ARG_DUP, "[=<ipaddr>]...", gettext_noop("Use these DHCP relays as full proxies."), NULL },
{ LOPT_RELAY, ARG_DUP, "<local-addr>,<server>[,<interface>]", gettext_noop("Relay DHCP requests to a remote server"), NULL},	{ LOPT_RELAY, ARG_DUP, "<local-addr>,<server>[,<iface>]", gettext_noop("Relay DHCP requests to a remote server"), NULL},
{ LOPT_CNAME, ARG_DUP, "<alias>,<target>", gettext_noop("Specify alias name for LOCAL DNS name."), NULL },	{ LOPT_CNAME, ARG_DUP, "<alias>,<target>[,<ttl>]", gettext_noop("Specify alias name for LOCAL DNS name."), NULL },
{ LOPT_PXE_PROMT, ARG_DUP, "<prompt>,[<timeout>]", gettext_noop("Prompt to send to PXE clients."), NULL },	{ LOPT_PXE_PROMT, ARG_DUP, "<prompt>,[<timeout>]", gettext_noop("Prompt to send to PXE clients."), NULL },
{ LOPT_PXE_SERV, ARG_DUP, "<service>", gettext_noop("Boot service for PXE menu."), NULL },	{ LOPT_PXE_SERV, ARG_DUP, "<service>", gettext_noop("Boot service for PXE menu."), NULL },
{ LOPT_TEST, 0, NULL, gettext_noop("Check configuration syntax."), NULL },	{ LOPT_TEST, 0, NULL, gettext_noop("Check configuration syntax."), NULL },
{ LOPT_ADD_MAC, OPT_ADD_MAC, NULL, gettext_noop("Add requestor's MAC address to forwarded DNS queries."), NULL },	{ LOPT_ADD_MAC, ARG_DUP, "[=base64\|text]", gettext_noop("Add requestor's MAC address to forwarded DNS queries."), NULL },
{ LOPT_ADD_SBNET, ARG_ONE, "<v4 pref>[,<v6 pref>]", gettext_noop("Add requestor's IP subnet to forwarded DNS queries."), NULL },	{ LOPT_STRIP_MAC, OPT_STRIP_MAC, NULL, gettext_noop("Strip MAC information from queries."), NULL },
	{ LOPT_ADD_SBNET, ARG_ONE, "<v4 pref>[,<v6 pref>]", gettext_noop("Add specified IP subnet to forwarded DNS queries."), NULL },
	{ LOPT_STRIP_SBNET, OPT_STRIP_ECS, NULL, gettext_noop("Strip ECS information from queries."), NULL },
	{ LOPT_CPE_ID, ARG_ONE, "<text>", gettext_noop("Add client identification to forwarded DNS queries."), NULL },
{ LOPT_DNSSEC, OPT_DNSSEC_PROXY, NULL, gettext_noop("Proxy DNSSEC validation results from upstream nameservers."), NULL },	{ LOPT_DNSSEC, OPT_DNSSEC_PROXY, NULL, gettext_noop("Proxy DNSSEC validation results from upstream nameservers."), NULL },
{ LOPT_INCR_ADDR, OPT_CONSEC_ADDR, NULL, gettext_noop("Attempt to allocate sequential IP addresses to DHCP clients."), NULL },	{ LOPT_INCR_ADDR, OPT_CONSEC_ADDR, NULL, gettext_noop("Attempt to allocate sequential IP addresses to DHCP clients."), NULL },
	{ LOPT_IGNORE_CLID, OPT_IGNORE_CLID, NULL, gettext_noop("Ignore client identifier option sent by DHCP clients."), NULL },
{ LOPT_CONNTRACK, OPT_CONNTRACK, NULL, gettext_noop("Copy connection-track mark from queries to upstream connections."), NULL },	{ LOPT_CONNTRACK, OPT_CONNTRACK, NULL, gettext_noop("Copy connection-track mark from queries to upstream connections."), NULL },
{ LOPT_FQDN, OPT_FQDN_UPDATE, NULL, gettext_noop("Allow DHCP clients to do their own DDNS updates."), NULL },	{ LOPT_FQDN, OPT_FQDN_UPDATE, NULL, gettext_noop("Allow DHCP clients to do their own DDNS updates."), NULL },
{ LOPT_RA, OPT_RA, NULL, gettext_noop("Send router-advertisements for interfaces doing DHCPv6"), NULL },	{ LOPT_RA, OPT_RA, NULL, gettext_noop("Send router-advertisements for interfaces doing DHCPv6"), NULL },
{ LOPT_DUID, ARG_ONE, "<enterprise>,<duid>", gettext_noop("Specify DUID_EN-type DHCPv6 server DUID"), NULL },	{ LOPT_DUID, ARG_ONE, "<enterprise>,<duid>", gettext_noop("Specify DUID_EN-type DHCPv6 server DUID"), NULL },
{ LOPT_HOST_REC, ARG_DUP, "<name>,<address>", gettext_noop("Specify host (A/AAAA and PTR) records"), NULL },	{ LOPT_HOST_REC, ARG_DUP, "<name>,<address>[,<ttl>]", gettext_noop("Specify host (A/AAAA and PTR) records"), NULL },
	{ LOPT_DYNHOST, ARG_DUP, "<name>,[<IPv4>][,<IPv6>],<interface-name>", gettext_noop("Specify host record in interface subnet"), NULL },
	{ LOPT_CAA, ARG_DUP, "<name>,<flags>,<tag>,<value>", gettext_noop("Specify certification authority authorization record"), NULL },
{ LOPT_RR, ARG_DUP, "<name>,<RR-number>,[<data>]", gettext_noop("Specify arbitrary DNS resource record"), NULL },	{ LOPT_RR, ARG_DUP, "<name>,<RR-number>,[<data>]", gettext_noop("Specify arbitrary DNS resource record"), NULL },
{ LOPT_CLVERBIND, OPT_CLEVERBIND, NULL, gettext_noop("Bind to interfaces in use - check for new interfaces"), NULL },	{ LOPT_CLVERBIND, OPT_CLEVERBIND, NULL, gettext_noop("Bind to interfaces in use - check for new interfaces"), NULL },
{ LOPT_AUTHSERV, ARG_ONE, "<NS>,<interface>", gettext_noop("Export local names to global DNS"), NULL },	{ LOPT_AUTHSERV, ARG_ONE, "<NS>,<interface>", gettext_noop("Export local names to global DNS"), NULL },
{ LOPT_AUTHZONE, ARG_DUP, "<domain>,[<subnet>...]", gettext_noop("Domain to export to global DNS"), NULL },	{ LOPT_AUTHZONE, ARG_DUP, "<domain>,[<subnet>...]", gettext_noop("Domain to export to global DNS"), NULL },
{ LOPT_AUTHTTL, ARG_ONE, "<integer>", gettext_noop("Set TTL for authoritative replies"), NULL },	{ LOPT_AUTHTTL, ARG_ONE, "<integer>", gettext_noop("Set TTL for authoritative replies"), NULL },
{ LOPT_AUTHSOA, ARG_ONE, "<serial>[,...]", gettext_noop("Set authoritive zone information"), NULL },	{ LOPT_AUTHSOA, ARG_ONE, "<serial>[,...]", gettext_noop("Set authoritative zone information"), NULL },
{ LOPT_AUTHSFS, ARG_DUP, "<NS>[,<NS>...]", gettext_noop("Secondary authoritative nameservers for forward domains"), NULL },	{ LOPT_AUTHSFS, ARG_DUP, "<NS>[,<NS>...]", gettext_noop("Secondary authoritative nameservers for forward domains"), NULL },
{ LOPT_AUTHPEER, ARG_DUP, "<ipaddr>[,<ipaddr>...]", gettext_noop("Peers which are allowed to do zone transfer"), NULL },	{ LOPT_AUTHPEER, ARG_DUP, "<ipaddr>[,<ipaddr>...]", gettext_noop("Peers which are allowed to do zone transfer"), NULL },
{ LOPT_IPSET, ARG_DUP, "/<domain>/<ipset>[,<ipset>...]", gettext_noop("Specify ipsets to which matching domains should be added"), NULL },	{ LOPT_IPSET, ARG_DUP, "/<domain>[/<domain>...]/<ipset>...", gettext_noop("Specify ipsets to which matching domains should be added"), NULL },
	{ LOPT_NFTSET, ARG_DUP, "/<domain>[/<domain>...]/<nftset>...", gettext_noop("Specify nftables sets to which matching domains should be added"), NULL },
	{ LOPT_CMARK_ALST_EN, ARG_ONE, "[=<mask>]", gettext_noop("Enable filtering of DNS queries with connection-track marks."), NULL },
	{ LOPT_CMARK_ALST, ARG_DUP, "<connmark>[/<mask>][,<pattern>[/<pattern>...]]", gettext_noop("Set allowed DNS patterns for a connection-track mark."), NULL },
{ LOPT_SYNTH, ARG_DUP, "<domain>,<range>,[<prefix>]", gettext_noop("Specify a domain and address range for synthesised names"), NULL },	{ LOPT_SYNTH, ARG_DUP, "<domain>,<range>,[<prefix>]", gettext_noop("Specify a domain and address range for synthesised names"), NULL },
{ LOPT_SEC_VALID, OPT_DNSSEC_VALID, NULL, gettext_noop("Activate DNSSEC validation"), NULL },	{ LOPT_SEC_VALID, OPT_DNSSEC_VALID, NULL, gettext_noop("Activate DNSSEC validation"), NULL },
{ LOPT_TRUST_ANCHOR, ARG_DUP, "<domain>,[<class>],...", gettext_noop("Specify trust anchor key digest."), NULL },	{ LOPT_TRUST_ANCHOR, ARG_DUP, "<domain>,[<class>],...", gettext_noop("Specify trust anchor key digest."), NULL },
{ LOPT_DNSSEC_DEBUG, OPT_DNSSEC_DEBUG, NULL, gettext_noop("Disable upstream checking for DNSSEC debugging."), NULL },	{ LOPT_DNSSEC_DEBUG, OPT_DNSSEC_DEBUG, NULL, gettext_noop("Disable upstream checking for DNSSEC debugging."), NULL },
{ LOPT_DNSSEC_CHECK, OPT_DNSSEC_NO_SIGN, NULL, gettext_noop("Ensure answers without DNSSEC are in unsigned zones."), NULL },	{ LOPT_DNSSEC_CHECK, ARG_DUP, NULL, gettext_noop("Ensure answers without DNSSEC are in unsigned zones."), NULL },
{ LOPT_DNSSEC_TIME, OPT_DNSSEC_TIME, NULL, gettext_noop("Don't check DNSSEC signature timestamps until first cache-reload"), NULL },	{ LOPT_DNSSEC_TIME, OPT_DNSSEC_TIME, NULL, gettext_noop("Don't check DNSSEC signature timestamps until first cache-reload"), NULL },
#ifdef OPTION6_PREFIX_CLASS	{ LOPT_DNSSEC_STAMP, ARG_ONE, "<path>", gettext_noop("Timestamp file to verify system clock for DNSSEC"), NULL },
{ LOPT_PREF_CLSS, ARG_DUP, "set:tag,<class>", gettext_noop("Specify DHCPv6 prefix class"), NULL },	{ LOPT_RA_PARAM, ARG_DUP, "<iface>,[mtu:<value>\|<interface>\|off,][<prio>,]<intval>[,<lifetime>]", gettext_noop("Set MTU, priority, resend-interval and router-lifetime"), NULL },
#endif
{ LOPT_RA_PARAM, ARG_DUP, "<interface>,[high,\|low,]<interval>[,<lifetime>]", gettext_noop("Set priority, resend-interval and router-lifetime"), NULL },
{ LOPT_QUIET_DHCP, OPT_QUIET_DHCP, NULL, gettext_noop("Do not log routine DHCP."), NULL },	{ LOPT_QUIET_DHCP, OPT_QUIET_DHCP, NULL, gettext_noop("Do not log routine DHCP."), NULL },
{ LOPT_QUIET_DHCP6, OPT_QUIET_DHCP6, NULL, gettext_noop("Do not log routine DHCPv6."), NULL },	{ LOPT_QUIET_DHCP6, OPT_QUIET_DHCP6, NULL, gettext_noop("Do not log routine DHCPv6."), NULL },
{ LOPT_QUIET_RA, OPT_QUIET_RA, NULL, gettext_noop("Do not log RA."), NULL },	{ LOPT_QUIET_RA, OPT_QUIET_RA, NULL, gettext_noop("Do not log RA."), NULL },
{ LOPT_LOCAL_SERVICE, OPT_LOCAL_SERVICE, NULL, gettext_noop("Accept queries only from directly-connected networks"), NULL },	{ LOPT_LOG_DEBUG, OPT_LOG_DEBUG, NULL, gettext_noop("Log debugging information."), NULL },
	{ LOPT_LOCAL_SERVICE, OPT_LOCAL_SERVICE, NULL, gettext_noop("Accept queries only from directly-connected networks."), NULL },
	{ LOPT_LOOP_DETECT, OPT_LOOP_DETECT, NULL, gettext_noop("Detect and remove DNS forwarding loops."), NULL },
	{ LOPT_IGNORE_ADDR, ARG_DUP, "<ipaddr>", gettext_noop("Ignore DNS responses containing ipaddr."), NULL },
	{ LOPT_DHCPTTL, ARG_ONE, "<ttl>", gettext_noop("Set TTL in DNS responses with DHCP-derived addresses."), NULL },
	{ LOPT_REPLY_DELAY, ARG_ONE, "<integer>", gettext_noop("Delay DHCP replies for at least number of seconds."), NULL },
	{ LOPT_RAPID_COMMIT, OPT_RAPID_COMMIT, NULL, gettext_noop("Enables DHCPv4 Rapid Commit option."), NULL },
	{ LOPT_DUMPFILE, ARG_ONE, "<path>", gettext_noop("Path to debug packet dump file"), NULL },
	{ LOPT_DUMPMASK, ARG_ONE, "<hex>", gettext_noop("Mask which packets to dump"), NULL },
	{ LOPT_SCRIPT_TIME, OPT_LEASE_RENEW, NULL, gettext_noop("Call dhcp-script when lease expiry changes."), NULL },
	{ LOPT_UMBRELLA, ARG_ONE, "[=<optspec>]", gettext_noop("Send Cisco Umbrella identifiers including remote IP."), NULL },
	{ LOPT_QUIET_TFTP, OPT_QUIET_TFTP, NULL, gettext_noop("Do not log routine TFTP."), NULL },
	{ LOPT_NORR, OPT_NORR, NULL, gettext_noop("Suppress round-robin ordering of DNS records."), NULL },
	{ LOPT_NO_IDENT, OPT_NO_IDENT, NULL, gettext_noop("Do not add CHAOS TXT records."), NULL },
{ 0, 0, NULL, NULL, NULL }	{ 0, 0, NULL, NULL, NULL }
};	};

/* We hide metacharaters in quoted strings by mapping them into the ASCII control	/* We hide metacharacters in quoted strings by mapping them into the ASCII control
character space. Note that the \0, \t \b \r \033 and \n characters are carefully placed in the	character space. Note that the \0, \t \b \r \033 and \n characters are carefully placed in the
following sequence so that they map to themselves: it is therefore possible to call	following sequence so that they map to themselves: it is therefore possible to call
unhide_metas repeatedly on string without breaking things.	unhide_metas repeatedly on string without breaking things.
Line 516 static void *opt_malloc(size_t size)	Line 635 static void *opt_malloc(size_t size)
return ret;	return ret;
}	}

static char opt_string_alloc(char cp)	static char opt_string_alloc(const char cp)
{	{
char *ret = NULL;	char *ret = NULL;
	size_t len;

if (cp && strlen(cp) != 0)	if (cp && (len = strlen(cp)) != 0)
{	{
ret = opt_malloc(strlen(cp)+1);	ret = opt_malloc(len+1);
strcpy(ret, cp);	memcpy(ret, cp, len+1);

/* restore hidden metachars */	/* restore hidden metachars */
unhide_metas(ret);	unhide_metas(ret);
Line 567 static char canonicalise_opt(char s)	Line 687 static char canonicalise_opt(char s)
if (!s)	if (!s)
return 0;	return 0;

	if (strlen(s) == 0)
	return opt_malloc(1); /* Heap-allocated empty string */

unhide_metas(s);	unhide_metas(s);
if (!(ret = canonicalise(s, &nomem)) && nomem)	if (!(ret = canonicalise(s, &nomem)) && nomem)
{	{
Line 579 static char canonicalise_opt(char s)	Line 702 static char canonicalise_opt(char s)
return ret;	return ret;
}	}

static int atoi_check(char a, int res)	static int numeric_check(char *a)
{	{
char *p;	char *p;

Line 592 static int atoi_check(char a, int res)	Line 715 static int atoi_check(char a, int res)
if (p < '0' \|\| p > '9')	if (p < '0' \|\| p > '9')
return 0;	return 0;

	return 1;
	}

	static int atoi_check(char a, int res)
	{
	if (!numeric_check(a))
	return 0;
*res = atoi(a);	*res = atoi(a);
return 1;	return 1;
}	}

	static int strtoul_check(char a, u32 res)
	{
	unsigned long x;

	if (!numeric_check(a))
	return 0;
	x = strtoul(a, NULL, 10);
	if (errno \|\| x > UINT32_MAX) {
	errno = 0;
	return 0;
	}
	*res = (u32)x;
	return 1;
	}

static int atoi_check16(char a, int res)	static int atoi_check16(char a, int res)
{	{
if (!(atoi_check(a, res)) \|\|	if (!(atoi_check(a, res)) \|\|
Line 617 static int atoi_check8(char a, int res)	Line 762 static int atoi_check8(char a, int res)
return 1;	return 1;
}	}
#endif	#endif

	#ifndef NO_ID
static void add_txt(char name, char txt, int stat)	static void add_txt(char name, char txt, int stat)
{	{
struct txt_record *r = opt_malloc(sizeof(struct txt_record));	struct txt_record *r = opt_malloc(sizeof(struct txt_record));
Line 630 static void add_txt(char name, char txt, int stat)	Line 776 static void add_txt(char name, char txt, int stat)
*(r->txt) = len;	*(r->txt) = len;
memcpy((r->txt)+1, txt, len);	memcpy((r->txt)+1, txt, len);
}	}

r->stat = stat;	r->stat = stat;
r->name = opt_string_alloc(name);	r->name = opt_string_alloc(name);
r->next = daemon->txt;	r->next = daemon->txt;
daemon->txt = r;	daemon->txt = r;
r->class = C_CHAOS;	r->class = C_CHAOS;
}	}
	#endif

static void do_usage(void)	static void do_usage(void)
{	{
Line 681 static void do_usage(void)	Line 828 static void do_usage(void)
sprintf(buff, " ");	sprintf(buff, " ");

sprintf(buff+4, "--%s%s%s", opts[j].name, eq, desc);	sprintf(buff+4, "--%s%s%s", opts[j].name, eq, desc);
printf("%-40.40s", buff);	printf("%-55.55s", buff);

if (usage[i].arg)	if (usage[i].arg)
{	{
strcpy(buff, usage[i].arg);	safe_strncpy(buff, usage[i].arg, sizeof(buff));
for (j = 0; tab[j].handle; j++)	for (j = 0; tab[j].handle; j++)
if (tab[j].handle == *(usage[i].arg))	if (tab[j].handle == *(usage[i].arg))
sprintf(buff, "%d", tab[j].val);	sprintf(buff, "%d", tab[j].val);
Line 696 static void do_usage(void)	Line 843 static void do_usage(void)
}	}

#define ret_err(x) do { strcpy(errstr, (x)); return 0; } while (0)	#define ret_err(x) do { strcpy(errstr, (x)); return 0; } while (0)
	#define ret_err_free(x,m) do { strcpy(errstr, (x)); free((m)); return 0; } while (0)
	#define goto_err(x) do { strcpy(errstr, (x)); goto on_error; } while (0)

char parse_server(char arg, union mysockaddr addr, union mysockaddr source_addr, char interface, int flags)	static char parse_mysockaddr(char arg, union mysockaddr *addr)
{	{
int source_port = 0, serv_port = NAMESERVER_PORT;	if (inet_pton(AF_INET, arg, &addr->in.sin_addr) > 0)
char portno, source;	addr->sa.sa_family = AF_INET;
#ifdef HAVE_IPV6	else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0)
int scope_index = 0;	addr->sa.sa_family = AF_INET6;
char *scope_id;	else
#endif	return _("bad address");

	return NULL;
	}

	char parse_server(char arg, struct server_details *sdetails)
	{
	sdetails->serv_port = NAMESERVER_PORT;
	char *portno;
	int ecode = 0;
	struct addrinfo hints;

	memset(&hints, 0, sizeof(struct addrinfo));

if (!arg \|\| strlen(arg) == 0)	*sdetails->interface = 0;
	sdetails->addr_type = AF_UNSPEC;

	if (strcmp(arg, "#") == 0)
{	{
*flags \|= SERV_NO_ADDR;	if (sdetails->flags)
*interface = 0;	*sdetails->flags \|= SERV_USE_RESOLV;
	sdetails->addr_type = AF_LOCAL;
	sdetails->valid = 1;
return NULL;	return NULL;
}	}

if ((source = split_chr(arg, '@')) && /* is there a source. */	if ((sdetails->source = split_chr(arg, '@')) && /* is there a source. */
(portno = split_chr(source, '#')) &&	(portno = split_chr(sdetails->source, '#')) &&
!atoi_check16(portno, &source_port))	!atoi_check16(portno, &sdetails->source_port))
return _("bad port");	return _("bad port");

if ((portno = split_chr(arg, '#')) && /* is there a port no. */	if ((portno = split_chr(arg, '#')) && /* is there a port no. */
!atoi_check16(portno, &serv_port))	!atoi_check16(portno, &sdetails->serv_port))
return _("bad port");	return _("bad port");

#ifdef HAVE_IPV6	sdetails->scope_id = split_chr(arg, '%');
scope_id = split_chr(arg, '%');
	if (sdetails->source) {
	sdetails->interface_opt = split_chr(sdetails->source, '@');

	if (sdetails->interface_opt)
	{
	#if defined(SO_BINDTODEVICE)
	safe_strncpy(sdetails->interface, sdetails->source, IF_NAMESIZE);
	sdetails->source = sdetails->interface_opt;
	#else
	return _("interface binding not supported");
#endif	#endif
	}
	}

	if (inet_pton(AF_INET, arg, &sdetails->addr->in.sin_addr) > 0)
	sdetails->addr_type = AF_INET;
	else if (inet_pton(AF_INET6, arg, &sdetails->addr->in6.sin6_addr) > 0)
	sdetails->addr_type = AF_INET6;
	else
	{
	/* if the argument is neither an IPv4 not an IPv6 address, it might be a
	hostname and we should try to resolve it to a suitable address. */
	memset(&hints, 0, sizeof(hints));
	/* The AI_ADDRCONFIG flag ensures that then IPv4 addresses are returned in
	the result only if the local system has at least one IPv4 address
	configured, and IPv6 addresses are returned only if the local system
	has at least one IPv6 address configured. The loopback address is not
	considered for this case as valid as a configured address. This flag is
	useful on, for example, IPv4-only systems, to ensure that getaddrinfo()
	does not return IPv6 socket addresses that would always fail in
	subsequent connect() or bind() attempts. */
	hints.ai_flags = AI_ADDRCONFIG;
	#if defined(HAVE_IDN) && defined(AI_IDN)
	/* If the AI_IDN flag is specified and we have glibc 2.3.4 or newer, then
	the node name given in node is converted to IDN format if necessary.
	The source encoding is that of the current locale. */
	hints.ai_flags \|= AI_IDN;
	#endif
	/* The value AF_UNSPEC indicates that getaddrinfo() should return socket
	addresses for any address family (either IPv4 or IPv6, for example)
	that can be used with node <arg> and service "domain". */
	hints.ai_family = AF_UNSPEC;

	/* Get addresses suitable for sending datagrams. We assume that we can use the
	same addresses for TCP connections. Settting this to zero gets each address
	threes times, for SOCK_STREAM, SOCK_RAW and SOCK_DGRAM, which is not useful. */
	hints.ai_socktype = SOCK_DGRAM;

	/* Get address associated with this hostname */
	ecode = getaddrinfo(arg, NULL, &hints, &sdetails->hostinfo);
	if (ecode == 0)
	{
	/* The getaddrinfo() function allocated and initialized a linked list of
	addrinfo structures, one for each network address that matches node
	and service, subject to the restrictions imposed by our <hints>
	above, and returns a pointer to the start of the list in <hostinfo>.
	The items in the linked list are linked by the <ai_next> field. */
	sdetails->valid = 1;
	sdetails->orig_hostinfo = sdetails->hostinfo;
	return NULL;
	}
	else
	{
	/* Lookup failed, return human readable error string */
	if (ecode == EAI_AGAIN)
	return _("Cannot resolve server name");
	else
	return _((char*)gai_strerror(ecode));
	}
	}

if (inet_pton(AF_INET, arg, &addr->in.sin_addr) > 0)	sdetails->valid = 1;
	return NULL;
	}

	char parse_server_addr(struct server_details sdetails)
	{
	if (sdetails->addr_type == AF_INET)
{	{
addr->in.sin_port = htons(serv_port);	sdetails->addr->in.sin_port = htons(sdetails->serv_port);
addr->sa.sa_family = source_addr->sa.sa_family = AF_INET;	sdetails->addr->sa.sa_family = sdetails->source_addr->sa.sa_family = AF_INET;
#ifdef HAVE_SOCKADDR_SA_LEN	#ifdef HAVE_SOCKADDR_SA_LEN
source_addr->in.sin_len = addr->in.sin_len = sizeof(struct sockaddr_in);	sdetails->source_addr->in.sin_len = sdetails->addr->in.sin_len = sizeof(struct sockaddr_in);
#endif	#endif
source_addr->in.sin_addr.s_addr = INADDR_ANY;	sdetails->source_addr->in.sin_addr.s_addr = INADDR_ANY;
source_addr->in.sin_port = htons(daemon->query_port);	sdetails->source_addr->in.sin_port = htons(daemon->query_port);

if (source)	if (sdetails->source)
{	{
if (flags)	if (sdetails->flags)
*flags \|= SERV_HAS_SOURCE;	*sdetails->flags \|= SERV_HAS_SOURCE;
source_addr->in.sin_port = htons(source_port);	sdetails->source_addr->in.sin_port = htons(sdetails->source_port);
if (!(inet_pton(AF_INET, source, &source_addr->in.sin_addr) > 0))	if (inet_pton(AF_INET, sdetails->source, &sdetails->source_addr->in.sin_addr) == 0)
{	{
	if (inet_pton(AF_INET6, sdetails->source, &sdetails->source_addr->in6.sin6_addr) == 1)
	{
	sdetails->source_addr->sa.sa_family = AF_INET6;
	/* When resolving a server IP by hostname, we can simply skip mismatching
	server / source IP pairs. Otherwise, when an IP address is given directly,
	this is a fatal error. */
	if (!sdetails->orig_hostinfo)
	return _("cannot use IPv4 server address with IPv6 source address");
	}
	else
	{
#if defined(SO_BINDTODEVICE)	#if defined(SO_BINDTODEVICE)
source_addr->in.sin_addr.s_addr = INADDR_ANY;	if (sdetails->interface_opt)
strncpy(interface, source, IF_NAMESIZE - 1);	return _("interface can only be specified once");

	sdetails->source_addr->in.sin_addr.s_addr = INADDR_ANY;
	safe_strncpy(sdetails->interface, sdetails->source, IF_NAMESIZE);
#else	#else
return _("interface binding not supported");	return _("interface binding not supported");
#endif	#endif
	}
}	}
}	}
}	}
#ifdef HAVE_IPV6	else if (sdetails->addr_type == AF_INET6)
else if (inet_pton(AF_INET6, arg, &addr->in6.sin6_addr) > 0)
{	{
if (scope_id && (scope_index = if_nametoindex(scope_id)) == 0)	if (sdetails->scope_id && (sdetails->scope_index = if_nametoindex(sdetails->scope_id)) == 0)
return _("bad interface name");	return _("bad interface name");

addr->in6.sin6_port = htons(serv_port);	sdetails->addr->in6.sin6_port = htons(sdetails->serv_port);
addr->in6.sin6_scope_id = scope_index;	sdetails->addr->in6.sin6_scope_id = sdetails->scope_index;
source_addr->in6.sin6_addr = in6addr_any;	sdetails->source_addr->in6.sin6_addr = in6addr_any;
source_addr->in6.sin6_port = htons(daemon->query_port);	sdetails->source_addr->in6.sin6_port = htons(daemon->query_port);
source_addr->in6.sin6_scope_id = 0;	sdetails->source_addr->in6.sin6_scope_id = 0;
addr->sa.sa_family = source_addr->sa.sa_family = AF_INET6;	sdetails->addr->sa.sa_family = sdetails->source_addr->sa.sa_family = AF_INET6;
addr->in6.sin6_flowinfo = source_addr->in6.sin6_flowinfo = 0;	sdetails->addr->in6.sin6_flowinfo = sdetails->source_addr->in6.sin6_flowinfo = 0;
#ifdef HAVE_SOCKADDR_SA_LEN	#ifdef HAVE_SOCKADDR_SA_LEN
addr->in6.sin6_len = source_addr->in6.sin6_len = sizeof(addr->in6);	sdetails->addr->in6.sin6_len = sdetails->source_addr->in6.sin6_len = sizeof(sdetails->addr->in6);
#endif	#endif
if (source)	if (sdetails->source)
{	{
if (flags)	if (sdetails->flags)
*flags \|= SERV_HAS_SOURCE;	*sdetails->flags \|= SERV_HAS_SOURCE;
source_addr->in6.sin6_port = htons(source_port);	sdetails->source_addr->in6.sin6_port = htons(sdetails->source_port);
if (inet_pton(AF_INET6, source, &source_addr->in6.sin6_addr) == 0)	if (inet_pton(AF_INET6, sdetails->source, &sdetails->source_addr->in6.sin6_addr) == 0)
{	{
	if (inet_pton(AF_INET, sdetails->source, &sdetails->source_addr->in.sin_addr) == 1)
	{
	sdetails->source_addr->sa.sa_family = AF_INET;
	/* When resolving a server IP by hostname, we can simply skip mismatching
	server / source IP pairs. Otherwise, when an IP address is given directly,
	this is a fatal error. */
	if(!sdetails->orig_hostinfo)
	return _("cannot use IPv6 server address with IPv4 source address");
	}
	else
	{
#if defined(SO_BINDTODEVICE)	#if defined(SO_BINDTODEVICE)
source_addr->in6.sin6_addr = in6addr_any;	if (sdetails->interface_opt)
strncpy(interface, source, IF_NAMESIZE - 1);	return _("interface can only be specified once");

	sdetails->source_addr->in6.sin6_addr = in6addr_any;
	safe_strncpy(sdetails->interface, sdetails->source, IF_NAMESIZE);
#else	#else
return _("interface binding not supported");	return _("interface binding not supported");
#endif	#endif
	}
}	}
}	}
}	}
#endif	else if (sdetails->addr_type != AF_LOCAL)
else
return _("bad address");	return _("bad address");

return NULL;	return NULL;
}	}

static struct server *add_rev4(struct in_addr addr, int msize)	int parse_server_next(struct server_details *sdetails)
{	{
struct server *serv = opt_malloc(sizeof(struct server));	/* Looping over resolved addresses? */
in_addr_t a = ntohl(addr.s_addr) >> 8;	if (sdetails->hostinfo)
char *p;	{
	/* Get address type */
	sdetails->addr_type = sdetails->hostinfo->ai_family;

memset(serv, 0, sizeof(struct server));	/* Get address */
p = serv->domain = opt_malloc(25); /* strlen("xxx.yyy.zzz.in-addr.arpa")+1 */	if (sdetails->addr_type == AF_INET)
	memcpy(&sdetails->addr->in.sin_addr,
	&((struct sockaddr_in *) sdetails->hostinfo->ai_addr)->sin_addr,
	sizeof(sdetails->addr->in.sin_addr));
	else if (sdetails->addr_type == AF_INET6)
	memcpy(&sdetails->addr->in6.sin6_addr,
	&((struct sockaddr_in6 *) sdetails->hostinfo->ai_addr)->sin6_addr,
	sizeof(sdetails->addr->in6.sin6_addr));

	/* Iterate to the next available address */
	sdetails->valid = sdetails->hostinfo->ai_next != NULL;
	sdetails->hostinfo = sdetails->hostinfo->ai_next;
	return 1;
	}
	else if (sdetails->valid)
	{
	/* When using an IP address, we return the address only once */
	sdetails->valid = 0;
	return 1;
	}
	/* Stop iterating here, we used all available addresses */
	return 0;
	}

	static char domain_rev4(int from_file, char server, struct in_addr *addr4, int size)
	{
	int i, j;
	char *string;
	int msize;
	u16 flags = 0;
	char domain[29]; /* strlen("xxx.yyy.zzz.ttt.in-addr.arpa")+1 */
	union mysockaddr serv_addr, source_addr;
	char interface[IF_NAMESIZE+1];
	int count = 1, rem, addrbytes, addrbits;
	struct server_details sdetails;

	memset(&sdetails, 0, sizeof(struct server_details));
	sdetails.addr = &serv_addr;
	sdetails.source_addr = &source_addr;
	sdetails.interface = interface;
	sdetails.flags = &flags;

	if (!server)
	flags = SERV_LITERAL_ADDRESS;
	else if ((string = parse_server(server, &sdetails)))
	return string;

if (msize == 24)	if (from_file)
p += sprintf(p, "%d.", a & 0xff);	flags \|= SERV_FROM_FILE;
a = a >> 8;
if (msize != 8)	rem = size & 0x7;
p += sprintf(p, "%d.", a & 0xff);	addrbytes = (32 - size) >> 3;
a = a >> 8;	addrbits = (32 - size) & 7;
p += sprintf(p, "%d.in-addr.arpa", a & 0xff);

serv->flags = SERV_HAS_DOMAIN;	if (size > 32 \|\| size < 1)
serv->next = daemon->servers;	return _("bad IPv4 prefix length");
daemon->servers = serv;
	/* Zero out last address bits according to CIDR mask */
	((u8 *)addr4)[3-addrbytes] &= ~((1 << addrbits)-1);

	size = size & ~0x7;

	if (rem != 0)
	count = 1 << (8 - rem);

	for (i = 0; i < count; i++)
	{
	*domain = 0;
	string = domain;
	msize = size/8;

	for (j = (rem == 0) ? msize-1 : msize; j >= 0; j--)
	{
	int dig = ((unsigned char *)addr4)[j];

	if (j == msize)
	dig += i;

	string += sprintf(string, "%d.", dig);
	}

	sprintf(string, "in-addr.arpa");

return serv;	if (flags & SERV_LITERAL_ADDRESS)
	{
	if (!add_update_server(flags, &serv_addr, &source_addr, interface, domain, NULL))
	return _("error");
	}
	else
	{
	/* Always reset server as valid here, so we can add the same upstream
	server address multiple times for each x.y.z.in-addr.arpa */
	sdetails.valid = 1;
	while (parse_server_next(&sdetails))
	{
	if ((string = parse_server_addr(&sdetails)))
	return string;

	if (!add_update_server(flags, &serv_addr, &source_addr, interface, domain, NULL))
	return _("error");
	}

	if (sdetails.orig_hostinfo)
	freeaddrinfo(sdetails.orig_hostinfo);
	}
	}

	return NULL;
}	}

static struct server add_rev6(struct in6_addr addr, int msize)	static char domain_rev6(int from_file, char server, struct in6_addr *addr6, int size)
{	{
struct server *serv = opt_malloc(sizeof(struct server));	int i, j;
char *p;	char *string;
int i;	int msize;
	u16 flags = 0;
memset(serv, 0, sizeof(struct server));	char domain[73]; /* strlen("32<n.>ip6.arpa")+1 /
p = serv->domain = opt_malloc(73); /* strlen("32<n.>ip6.arpa")+1 /	union mysockaddr serv_addr, source_addr;
	char interface[IF_NAMESIZE+1];
	int count = 1, rem, addrbytes, addrbits;
	struct server_details sdetails;

for (i = msize-1; i >= 0; i -= 4)	memset(&sdetails, 0, sizeof(struct server_details));
{	sdetails.addr = &serv_addr;
int dig = ((unsigned char *)addr)[i>>3];	sdetails.source_addr = &source_addr;
p += sprintf(p, "%.1x.", (i>>2) & 1 ? dig & 15 : dig >> 4);	sdetails.interface = interface;
}	sdetails.flags = &flags;
p += sprintf(p, "ip6.arpa");
	if (!server)
	flags = SERV_LITERAL_ADDRESS;
	else if ((string = parse_server(server, &sdetails)))
	return string;

	if (from_file)
	flags \|= SERV_FROM_FILE;

serv->flags = SERV_HAS_DOMAIN;	rem = size & 0x3;
serv->next = daemon->servers;	addrbytes = (128 - size) >> 3;
daemon->servers = serv;	addrbits = (128 - size) & 7;

return serv;	if (size > 128 \|\| size < 1)
	return _("bad IPv6 prefix length");

	/* Zero out last address bits according to CIDR mask */
	addr6->s6_addr[15-addrbytes] &= ~((1 << addrbits) - 1);

	size = size & ~0x3;

	if (rem != 0)
	count = 1 << (4 - rem);

	for (i = 0; i < count; i++)
	{
	*domain = 0;
	string = domain;
	msize = size/4;

	for (j = (rem == 0) ? msize-1 : msize; j >= 0; j--)
	{
	int dig = ((unsigned char *)addr6)[j>>1];

	dig = j & 1 ? dig & 15 : dig >> 4;

	if (j == msize)
	dig += i;

	string += sprintf(string, "%.1x.", dig);
	}

	sprintf(string, "ip6.arpa");

	if (flags & SERV_LITERAL_ADDRESS)
	{
	if (!add_update_server(flags, &serv_addr, &source_addr, interface, domain, NULL))
	return _("error");
	}
	else
	{
	/* Always reset server as valid here, so we can add the same upstream
	server address multiple times for each x.y.z.ip6.arpa */
	sdetails.valid = 1;
	while (parse_server_next(&sdetails))
	{
	if ((string = parse_server_addr(&sdetails)))
	return string;

	if (!add_update_server(flags, &serv_addr, &source_addr, interface, domain, NULL))
	return _("error");
	}

	if (sdetails.orig_hostinfo)
	freeaddrinfo(sdetails.orig_hostinfo);
	}
	}

	return NULL;
}	}

#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
Line 857 static char set_prefix(char arg)	Line 1285 static char set_prefix(char arg)
return arg;	return arg;
}	}

	static struct dhcp_netid dhcp_netid_create(const char net, struct dhcp_netid *next)
	{
	struct dhcp_netid *tt;
	tt = opt_malloc(sizeof (struct dhcp_netid));
	tt->net = opt_string_alloc(net);
	tt->next = next;
	return tt;
	}

	static void dhcp_netid_free(struct dhcp_netid *nid)
	{
	while (nid)
	{
	struct dhcp_netid *tmp = nid;
	nid = nid->next;
	free(tmp->net);
	free(tmp);
	}
	}

	/* Parse one or more tag:s before parameters.
	* Moves arg to the end of tags. */
	static struct dhcp_netid * dhcp_tags(char **arg)
	{
	struct dhcp_netid *id = NULL;

	while (is_tag_prefix(*arg))
	{
	char comma = split(arg);
	id = dhcp_netid_create((*arg)+4, id);
	*arg = comma;
	};
	if (!*arg)
	{
	dhcp_netid_free(id);
	id = NULL;
	}
	return id;
	}

	static void dhcp_netid_list_free(struct dhcp_netid_list *netid)
	{
	while (netid)
	{
	struct dhcp_netid_list *tmplist = netid;
	netid = netid->next;
	dhcp_netid_free(tmplist->list);
	free(tmplist);
	}
	}

	static void dhcp_config_free(struct dhcp_config *config)
	{
	if (config)
	{
	struct hwaddr_config *hwaddr = config->hwaddr;

	while (hwaddr)
	{
	struct hwaddr_config *tmp = hwaddr;
	hwaddr = hwaddr->next;
	free(tmp);
	}

	dhcp_netid_list_free(config->netid);
	dhcp_netid_free(config->filter);

	if (config->flags & CONFIG_CLID)
	free(config->clid);
	if (config->flags & CONFIG_NAME)
	free(config->hostname);

	#ifdef HAVE_DHCP6
	if (config->flags & CONFIG_ADDR6)
	{
	struct addrlist addr, tmp;

	for (addr = config->addr6; addr; addr = tmp)
	{
	tmp = addr->next;
	free(addr);
	}
	}
	#endif

	free(config);
	}
	}

	static void dhcp_context_free(struct dhcp_context *ctx)
	{
	if (ctx)
	{
	dhcp_netid_free(ctx->filter);
	free(ctx->netid.net);
	#ifdef HAVE_DHCP6
	free(ctx->template_interface);
	#endif
	free(ctx);
	}
	}

	static void dhcp_opt_free(struct dhcp_opt *opt)
	{
	if (opt->flags & DHOPT_VENDOR)
	free(opt->u.vendor_class);
	dhcp_netid_free(opt->netid);
	free(opt->val);
	free(opt);
	}


/* This is too insanely large to keep in-line in the switch */	/* This is too insanely large to keep in-line in the switch */
static int parse_dhcp_opt(char errstr, char arg, int flags)	static int parse_dhcp_opt(char errstr, char arg, int flags)
{	{
Line 864 static int parse_dhcp_opt(char errstr, char arg, int	Line 1404 static int parse_dhcp_opt(char errstr, char arg, int
char lenchar = 0, *cp;	char lenchar = 0, *cp;
int addrs, digs, is_addr, is_addr6, is_hex, is_dec, is_string, dots;	int addrs, digs, is_addr, is_addr6, is_hex, is_dec, is_string, dots;
char *comma = NULL;	char *comma = NULL;
struct dhcp_netid *np = NULL;
u16 opt_len = 0;	u16 opt_len = 0;
int is6 = 0;	int is6 = 0;
int option_ok = 0;	int option_ok = 0;
Line 933 static int parse_dhcp_opt(char errstr, char arg, int	Line 1472 static int parse_dhcp_opt(char errstr, char arg, int
{	{
new->u.vendor_class = (unsigned char *)opt_string_alloc(arg+7);	new->u.vendor_class = (unsigned char *)opt_string_alloc(arg+7);
new->flags \|= DHOPT_VENDOR;	new->flags \|= DHOPT_VENDOR;
	if ((new->flags & DHOPT_ENCAPSULATE) \|\| flags == DHOPT_MATCH)
	goto_err(_("inappropriate vendor:"));
}	}
else if (strstr(arg, "encap:") == arg)	else if (strstr(arg, "encap:") == arg)
{	{
new->u.encap = atoi(arg+6);	new->u.encap = atoi(arg+6);
new->flags \|= DHOPT_ENCAPSULATE;	new->flags \|= DHOPT_ENCAPSULATE;
	if ((new->flags & DHOPT_VENDOR) \|\| flags == DHOPT_MATCH)
	goto_err(_("inappropriate encap:"));
}	}
else if (strstr(arg, "vi-encap:") == arg)	else if (strstr(arg, "vi-encap:") == arg)
{	{
Line 951 static int parse_dhcp_opt(char errstr, char arg, int	Line 1494 static int parse_dhcp_opt(char errstr, char arg, int
}	}
else	else
{	{
new->netid = opt_malloc(sizeof (struct dhcp_netid));
/* allow optional "net:" or "tag:" for consistency */	/* allow optional "net:" or "tag:" for consistency */
if (is_tag_prefix(arg))	const char *name = (is_tag_prefix(arg)) ? arg+4 : set_prefix(arg);
new->netid->net = opt_string_alloc(arg+4);	new->netid = dhcp_netid_create(name, new->netid);
else
new->netid->net = opt_string_alloc(set_prefix(arg));
new->netid->next = np;
np = new->netid;
}	}

arg = comma;	arg = comma;
Line 968 static int parse_dhcp_opt(char errstr, char arg, int	Line 1506 static int parse_dhcp_opt(char errstr, char arg, int
if (is6)	if (is6)
{	{
if (new->flags & (DHOPT_VENDOR \| DHOPT_ENCAPSULATE))	if (new->flags & (DHOPT_VENDOR \| DHOPT_ENCAPSULATE))
ret_err(_("unsupported encapsulation for IPv6 option"));	goto_err(_("unsupported encapsulation for IPv6 option"));

if (opt_len == 0 &&	if (opt_len == 0 &&
!(new->flags & DHOPT_RFC3925))	!(new->flags & DHOPT_RFC3925))
Line 982 static int parse_dhcp_opt(char errstr, char arg, int	Line 1520 static int parse_dhcp_opt(char errstr, char arg, int

/* option may be missing with rfc3925 match */	/* option may be missing with rfc3925 match */
if (!option_ok)	if (!option_ok)
ret_err(_("bad dhcp-option"));	goto_err(_("bad dhcp-option"));

if (comma)	if (comma)
{	{
/* characterise the value */	/* characterise the value */
char c;	char c;
int found_dig = 0;	int found_dig = 0, found_colon = 0;
is_addr = is_addr6 = is_hex = is_dec = is_string = 1;	is_addr = is_addr6 = is_hex = is_dec = is_string = 1;
addrs = digs = 1;	addrs = digs = 1;
dots = 0;	dots = 0;
Line 1002 static int parse_dhcp_opt(char errstr, char arg, int	Line 1540 static int parse_dhcp_opt(char errstr, char arg, int
{	{
digs++;	digs++;
is_dec = is_addr = 0;	is_dec = is_addr = 0;
	found_colon = 1;
}	}
else if (c == '/')	else if (c == '/')
{	{
Line 1011 static int parse_dhcp_opt(char errstr, char arg, int	Line 1550 static int parse_dhcp_opt(char errstr, char arg, int
}	}
else if (c == '.')	else if (c == '.')
{	{
is_addr6 = is_dec = is_hex = 0;	is_dec = is_hex = 0;
dots++;	dots++;
}	}
else if (c == '-')	else if (c == '-')
Line 1043 static int parse_dhcp_opt(char errstr, char arg, int	Line 1582 static int parse_dhcp_opt(char errstr, char arg, int

if (!found_dig)	if (!found_dig)
is_dec = is_addr = 0;	is_dec = is_addr = 0;

	if (!found_colon)
	is_addr6 = 0;

	#ifdef HAVE_DHCP6
	/* NTP server option takes hex, addresses or FQDN */
	if (is6 && new->opt == OPTION6_NTP_SERVER && !is_hex)
	opt_len \|= is_addr6 ? OT_ADDR_LIST : OT_RFC1035_NAME;
	#endif

/* We know that some options take addresses */	/* We know that some options take addresses */
if (opt_len & OT_ADDR_LIST)	if (opt_len & OT_ADDR_LIST)
Line 1050 static int parse_dhcp_opt(char errstr, char arg, int	Line 1598 static int parse_dhcp_opt(char errstr, char arg, int
is_string = is_dec = is_hex = 0;	is_string = is_dec = is_hex = 0;

if (!is6 && (!is_addr \|\| dots == 0))	if (!is6 && (!is_addr \|\| dots == 0))
ret_err(_("bad IP address"));	goto_err(_("bad IP address"));

if (is6 && !is_addr6)	if (is6 && !is_addr6)
ret_err(_("bad IPv6 address"));	goto_err(_("bad IPv6 address"));
}	}
/* or names */	/* or names */
else if (opt_len & (OT_NAME \| OT_RFC1035_NAME \| OT_CSTRING))	else if (opt_len & (OT_NAME \| OT_RFC1035_NAME \| OT_CSTRING))
Line 1072 static int parse_dhcp_opt(char errstr, char arg, int	Line 1620 static int parse_dhcp_opt(char errstr, char arg, int
case 'd':	case 'd':
case 'D':	case 'D':
fac *= 24;	fac *= 24;
/* fall though */	/* fall through */
case 'h':	case 'h':
case 'H':	case 'H':
fac *= 60;	fac *= 60;
Line 1145 static int parse_dhcp_opt(char errstr, char arg, int	Line 1693 static int parse_dhcp_opt(char errstr, char arg, int
cp = comma;	cp = comma;
comma = split(cp);	comma = split(cp);
slash = split_chr(cp, '/');	slash = split_chr(cp, '/');
inet_pton(AF_INET, cp, &in);	if (!inet_pton(AF_INET, cp, &in))
	goto_err(_("bad IPv4 address"));
if (!slash)	if (!slash)
{	{
memcpy(op, &in, INADDRSZ);	memcpy(op, &in, INADDRSZ);
Line 1190 static int parse_dhcp_opt(char errstr, char arg, int	Line 1739 static int parse_dhcp_opt(char errstr, char arg, int
op += IN6ADDRSZ;	op += IN6ADDRSZ;
continue;	continue;
}	}

ret_err(_("bad IPv6 address"));	goto_err(_("bad IPv6 address"));
}	}
new->len = op - new->val;	new->len = op - new->val;
}	}
Line 1218 static int parse_dhcp_opt(char errstr, char arg, int	Line 1767 static int parse_dhcp_opt(char errstr, char arg, int
if (strcmp (arg, ".") != 0)	if (strcmp (arg, ".") != 0)
{	{
if (!(dom = canonicalise_opt(arg)))	if (!(dom = canonicalise_opt(arg)))
ret_err(_("bad domain in dhcp-option"));	goto_err(_("bad domain in dhcp-option"));

domlen = strlen(dom) + 2;	domlen = strlen(dom) + 2;
}	}
Line 1265 static int parse_dhcp_opt(char errstr, char arg, int	Line 1814 static int parse_dhcp_opt(char errstr, char arg, int
}	}

/* RFC 3361, enc byte is zero for names */	/* RFC 3361, enc byte is zero for names */
if (new->opt == OPTION_SIP_SERVER)	if (new->opt == OPTION_SIP_SERVER && m)
m[0] = 0;	m[0] = 0;
new->len = (int) len + header_size;	new->len = (int) len + header_size;
new->val = m;	new->val = m;
Line 1303 static int parse_dhcp_opt(char errstr, char arg, int	Line 1852 static int parse_dhcp_opt(char errstr, char arg, int
}	}
else if (comma && (opt_len & OT_RFC1035_NAME))	else if (comma && (opt_len & OT_RFC1035_NAME))
{	{
unsigned char p = NULL, newp, *end;	unsigned char p = NULL, q, newp, end;
int len = 0;	int len = 0;
	int header_size = (is6 && new->opt == OPTION6_NTP_SERVER) ? 4 : 0;
arg = comma;	arg = comma;
comma = split(arg);	comma = split(arg);

Line 1312 static int parse_dhcp_opt(char errstr, char arg, int	Line 1862 static int parse_dhcp_opt(char errstr, char arg, int
{	{
char *dom = canonicalise_opt(arg);	char *dom = canonicalise_opt(arg);
if (!dom)	if (!dom)
ret_err(_("bad domain in dhcp-option"));	goto_err(_("bad domain in dhcp-option"));

newp = opt_malloc(len + strlen(dom) + 2);	newp = opt_malloc(len + header_size + strlen(dom) + 2);

if (p)	if (p)
{	{
Line 1323 static int parse_dhcp_opt(char errstr, char arg, int	Line 1873 static int parse_dhcp_opt(char errstr, char arg, int
}	}

p = newp;	p = newp;
end = do_rfc1035_name(p + len, dom);	q = p + len;
	end = do_rfc1035_name(q + header_size, dom, NULL);
*end++ = 0;	*end++ = 0;
	if (is6 && new->opt == OPTION6_NTP_SERVER)
	{
	PUTSHORT(NTP_SUBOPTION_SRV_FQDN, q);
	PUTSHORT(end - q - 2, q);
	}
len = end - p;	len = end - p;
free(dom);	free(dom);

Line 1350 static int parse_dhcp_opt(char errstr, char arg, int	Line 1906 static int parse_dhcp_opt(char errstr, char arg, int
((new->len > 255) \|\|	((new->len > 255) \|\|
(new->len > 253 && (new->flags & (DHOPT_VENDOR \| DHOPT_ENCAPSULATE))) \|\|	(new->len > 253 && (new->flags & (DHOPT_VENDOR \| DHOPT_ENCAPSULATE))) \|\|
(new->len > 250 && (new->flags & DHOPT_RFC3925))))	(new->len > 250 && (new->flags & DHOPT_RFC3925))))
ret_err(_("dhcp-option too long"));	goto_err(_("dhcp-option too long"));

if (flags == DHOPT_MATCH)	if (flags == DHOPT_MATCH)
{	{
if ((new->flags & (DHOPT_ENCAPSULATE \| DHOPT_VENDOR)) \|\|	if ((new->flags & (DHOPT_ENCAPSULATE \| DHOPT_VENDOR)) \|\|
!new->netid \|\|	!new->netid \|\|
new->netid->next)	new->netid->next)
ret_err(_("illegal dhcp-match"));	goto_err(_("illegal dhcp-match"));

if (is6)	if (is6)
{	{
Line 1382 static int parse_dhcp_opt(char errstr, char arg, int	Line 1938 static int parse_dhcp_opt(char errstr, char arg, int
}	}

return 1;	return 1;
	on_error:
	dhcp_opt_free(new);
	return 0;
}	}

#endif	#endif

void set_option_bool(unsigned int opt)	void set_option_bool(unsigned int opt)
{	{
if (opt < 32)	option_var(opt) \|= option_val(opt);
daemon->options \|= 1u << opt;
else
daemon->options2 \|= 1u << (opt - 32);
}	}

void reset_option_bool(unsigned int opt)	void reset_option_bool(unsigned int opt)
{	{
if (opt < 32)	option_var(opt) &= ~(option_val(opt));
daemon->options &= ~(1u << opt);
else
daemon->options2 &= ~(1u << (opt - 32));
}	}

static int one_opt(int option, char arg, char errstr, char *gen_err, int command_line, int servers_only)	static int one_opt(int option, char arg, char errstr, char *gen_err, int command_line, int servers_only)
Line 1454 static int one_opt(int option, char arg, char errstr	Line 2007 static int one_opt(int option, char arg, char errstr
break;	break;
}	}

	case LOPT_CONF_SCRIPT: /* --conf-script */
	{
	char *file = opt_string_alloc(arg);
	if (file)
	{
	one_file(file, LOPT_CONF_SCRIPT);
	free(file);
	}
	break;
	}

case '7': /* --conf-dir */	case '7': /* --conf-dir */
{	{
DIR *dir_stream;	DIR *dir_stream;
struct dirent *ent;	struct dirent *ent;
char directory, path;	char directory, path;
struct list {	struct list {
char *suffix;	char *name;
struct list *next;	struct list *next;
} ignore_suffix = NULL, li;	} ignore_suffix = NULL, match_suffix = NULL, files = NULL, li;

comma = split(arg);	comma = split(arg);
if (!(directory = opt_string_alloc(arg)))	if (!(directory = opt_string_alloc(arg)))
Line 1471 static int one_opt(int option, char arg, char errstr	Line 2035 static int one_opt(int option, char arg, char errstr
for (arg = comma; arg; arg = comma)	for (arg = comma; arg; arg = comma)
{	{
comma = split(arg);	comma = split(arg);
li = opt_malloc(sizeof(struct list));	if (strlen(arg) != 0)
li->next = ignore_suffix;	{
ignore_suffix = li;	li = opt_malloc(sizeof(struct list));
/* Have to copy: buffer is overwritten */	if (arg == '')
li->suffix = opt_string_alloc(arg);	{
};	/* "" with no suffix is a no-op /
	if (arg[1] == 0)
	free(li);
	else
	{
	li->next = match_suffix;
	match_suffix = li;
	/* Have to copy: buffer is overwritten */
	li->name = opt_string_alloc(arg+1);
	}
	}
	else
	{
	li->next = ignore_suffix;
	ignore_suffix = li;
	/* Have to copy: buffer is overwritten */
	li->name = opt_string_alloc(arg);
	}
	}
	}

if (!(dir_stream = opendir(directory)))	if (!(dir_stream = opendir(directory)))
die(_("cannot access directory %s: %s"), directory, EC_FILE);	die(_("cannot access directory %s: %s"), directory, EC_FILE);
Line 1493 static int one_opt(int option, char arg, char errstr	Line 2076 static int one_opt(int option, char arg, char errstr
ent->d_name[0] == '.')	ent->d_name[0] == '.')
continue;	continue;

	if (match_suffix)
	{
	for (li = match_suffix; li; li = li->next)
	{
	/* check for required suffices */
	size_t ls = strlen(li->name);
	if (len > ls &&
	strcmp(li->name, &ent->d_name[len - ls]) == 0)
	break;
	}
	if (!li)
	continue;
	}

for (li = ignore_suffix; li; li = li->next)	for (li = ignore_suffix; li; li = li->next)
{	{
/* check for proscribed suffices */	/* check for proscribed suffices */
size_t ls = strlen(li->suffix);	size_t ls = strlen(li->name);
if (len > ls &&	if (len > ls &&
strcmp(li->suffix, &ent->d_name[len - ls]) == 0)	strcmp(li->name, &ent->d_name[len - ls]) == 0)
break;	break;
}	}
if (li)	if (li)
Line 1515 static int one_opt(int option, char arg, char errstr	Line 2112 static int one_opt(int option, char arg, char errstr

/* only reg files allowed. */	/* only reg files allowed. */
if (S_ISREG(buf.st_mode))	if (S_ISREG(buf.st_mode))
one_file(path, 0);	{
	/* sort files into order. */
free(path);	struct list *up, new = opt_malloc(sizeof(struct list));
	new->name = path;

	for (up = &files, li = files; li; up = &li->next, li = li->next)
	if (strcmp(li->name, path) >=0)
	break;

	new->next = li;
	*up = new;
	}
	else
	free(path);

}	}

	for (li = files; li; li = li->next)
	one_file(li->name, 0);

closedir(dir_stream);	closedir(dir_stream);
free(directory);	free(directory);
for(; ignore_suffix; ignore_suffix = li)	for(; ignore_suffix; ignore_suffix = li)
{	{
li = ignore_suffix->next;	li = ignore_suffix->next;
free(ignore_suffix->suffix);	free(ignore_suffix->name);
free(ignore_suffix);	free(ignore_suffix);
}	}
	for(; match_suffix; match_suffix = li)
	{
	li = match_suffix->next;
	free(match_suffix->name);
	free(match_suffix);
	}
	for(; files; files = li)
	{
	li = files->next;
	free(files->name);
	free(files);
	}
break;	break;
}	}

Line 1536 static int one_opt(int option, char arg, char errstr	Line 2159 static int one_opt(int option, char arg, char errstr
set_option_bool(OPT_CLIENT_SUBNET);	set_option_bool(OPT_CLIENT_SUBNET);
if (arg)	if (arg)
{	{
	char err, end;
comma = split(arg);	comma = split(arg);
if (!atoi_check(arg, &daemon->addr4_netmask) \|\|
(comma && !atoi_check(comma, &daemon->addr6_netmask)))	struct mysubnet* new = opt_malloc(sizeof(struct mysubnet));
ret_err(gen_err);	if ((end = split_chr(arg, '/')))
	{
	/* has subnet+len */
	err = parse_mysockaddr(arg, &new->addr);
	if (err)
	ret_err_free(err, new);
	if (!atoi_check(end, &new->mask))
	ret_err_free(gen_err, new);
	new->addr_used = 1;
	}
	else if (!atoi_check(arg, &new->mask))
	ret_err_free(gen_err, new);

	daemon->add_subnet4 = new;

	if (comma)
	{
	new = opt_malloc(sizeof(struct mysubnet));
	if ((end = split_chr(comma, '/')))
	{
	/* has subnet+len */
	err = parse_mysockaddr(comma, &new->addr);
	if (err)
	ret_err_free(err, new);
	if (!atoi_check(end, &new->mask))
	ret_err_free(gen_err, new);
	new->addr_used = 1;
	}
	else
	{
	if (!atoi_check(comma, &new->mask))
	ret_err_free(gen_err, new);
	}

	daemon->add_subnet6 = new;
	}
}	}
break;	break;

Line 1550 static int one_opt(int option, char arg, char errstr	Line 2209 static int one_opt(int option, char arg, char errstr
else	else
daemon->dbus_name = DNSMASQ_SERVICE;	daemon->dbus_name = DNSMASQ_SERVICE;
break;	break;

	case LOPT_UBUS: /* --enable-ubus */
	set_option_bool(OPT_UBUS);
	if (arg)
	daemon->ubus_name = opt_string_alloc(arg);
	else
	daemon->ubus_name = DNSMASQ_UBUS_NAME;
	break;

case '8': /* --log-facility */	case '8': /* --log-facility */
/* may be a filename */	/* may be a filename */
if (strchr(arg, '/') \|\| strcmp (arg, "-") == 0)	if (strchr(arg, '/') \|\| strcmp (arg, "-") == 0)
Line 1571 static int one_opt(int option, char arg, char errstr	Line 2238 static int one_opt(int option, char arg, char errstr
#endif	#endif
}	}
break;	break;

case 'x': /* --pid-file */	case 'x': /* --pid-file */
daemon->runfile = opt_string_alloc(arg);	daemon->runfile = opt_string_alloc(arg);
break;	break;
Line 1625 static int one_opt(int option, char arg, char errstr	Line 2292 static int one_opt(int option, char arg, char errstr

if (!(name = canonicalise_opt(arg)) \|\|	if (!(name = canonicalise_opt(arg)) \|\|
(comma && !(target = canonicalise_opt(comma))))	(comma && !(target = canonicalise_opt(comma))))
ret_err(_("bad MX name"));	{
	free(name);
	free(target);
	ret_err(_("bad MX name"));
	}

new = opt_malloc(sizeof(struct mx_srv_record));	new = opt_malloc(sizeof(struct mx_srv_record));
new->next = daemon->mxnames;	new->next = daemon->mxnames;
Line 1642 static int one_opt(int option, char arg, char errstr	Line 2313 static int one_opt(int option, char arg, char errstr
ret_err(_("bad MX target"));	ret_err(_("bad MX target"));
break;	break;

	case LOPT_DUMPFILE: /* --dumpfile */
	daemon->dump_file = opt_string_alloc(arg);
	break;

	case LOPT_DUMPMASK: /* --dumpmask */
	daemon->dump_mask = strtol(arg, NULL, 0);
	break;

#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
case 'l': /* --dhcp-leasefile */	case 'l': /* --dhcp-leasefile */
daemon->lease_file = opt_string_alloc(arg);	daemon->lease_file = opt_string_alloc(arg);
Line 1650 static int one_opt(int option, char arg, char errstr	Line 2329 static int one_opt(int option, char arg, char errstr
/* Sorry about the gross pre-processor abuse */	/* Sorry about the gross pre-processor abuse */
case '6': /* --dhcp-script */	case '6': /* --dhcp-script */
case LOPT_LUASCRIPT: /* --dhcp-luascript */	case LOPT_LUASCRIPT: /* --dhcp-luascript */
# if defined(NO_FORK)	# if !defined(HAVE_SCRIPT)
ret_err(_("cannot run scripts under uClinux"));
# elif !defined(HAVE_SCRIPT)
ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts"));	ret_err(_("recompile with HAVE_SCRIPT defined to enable lease-change scripts"));
# else	# else
if (option == LOPT_LUASCRIPT)	if (option == LOPT_LUASCRIPT)
Line 1667 static int one_opt(int option, char arg, char errstr	Line 2344 static int one_opt(int option, char arg, char errstr
break;	break;
#endif /* HAVE_DHCP */	#endif /* HAVE_DHCP */

case LOPT_DHCP_HOST: /* --dhcp-hostfile */	case LOPT_DHCP_HOST: /* --dhcp-hostsfile */
case LOPT_DHCP_OPTS: /* --dhcp-optsfile */	case LOPT_DHCP_OPTS: /* --dhcp-optsfile */
case 'H': /* --addn-hosts */	case 'H': /* --addn-hosts */
{	{
struct hostsfile *new = opt_malloc(sizeof(struct hostsfile));	struct hostsfile *new = opt_malloc(sizeof(struct hostsfile));
static unsigned int hosts_index = SRC_AH;
new->fname = opt_string_alloc(arg);	new->fname = opt_string_alloc(arg);
new->index = hosts_index++;	new->index = daemon->host_index++;
new->flags = 0;	new->flags = 0;
if (option == 'H')	if (option == 'H')
{	{
Line 1690 static int one_opt(int option, char arg, char errstr	Line 2366 static int one_opt(int option, char arg, char errstr
{	{
new->next = daemon->dhcp_opts_file;	new->next = daemon->dhcp_opts_file;
daemon->dhcp_opts_file = new;	daemon->dhcp_opts_file = new;
}	}

break;	break;
}	}


#ifdef HAVE_AUTH	case LOPT_DHCP_INOTIFY: /* --dhcp-hostsdir */
	case LOPT_DHOPT_INOTIFY: /* --dhcp-optsdir */
	case LOPT_HOST_INOTIFY: /* --hostsdir */
	{
	struct dyndir *new = opt_malloc(sizeof(struct dyndir));
	new->dname = opt_string_alloc(arg);
	new->flags = 0;
	new->next = daemon->dynamic_dirs;
	daemon->dynamic_dirs = new;
	if (option == LOPT_DHCP_INOTIFY)
	new->flags \|= AH_DHCP_HST;
	else if (option == LOPT_DHOPT_INOTIFY)
	new->flags \|= AH_DHCP_OPT;
	else if (option == LOPT_HOST_INOTIFY)
	new->flags \|= AH_HOSTS;

	break;
	}

case LOPT_AUTHSERV: /* --auth-server */	case LOPT_AUTHSERV: /* --auth-server */
if (!(comma = split(arg)))	comma = split(arg);
ret_err(gen_err);

daemon->authserver = opt_string_alloc(arg);	daemon->authserver = opt_string_alloc(arg);
arg = comma;
do {	while ((arg = comma))
struct iname *new = opt_malloc(sizeof(struct iname));	{
comma = split(arg);	struct iname *new = opt_malloc(sizeof(struct iname));
new->name = NULL;	comma = split(arg);
unhide_metas(arg);	new->name = NULL;
if (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0)	unhide_metas(arg);
new->addr.sa.sa_family = AF_INET;	if (inet_pton(AF_INET, arg, &new->addr.in.sin_addr) > 0)
#ifdef HAVE_IPV6	new->addr.sa.sa_family = AF_INET;
else if (inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0)	else if (inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0)
new->addr.sa.sa_family = AF_INET6;	new->addr.sa.sa_family = AF_INET6;
#endif	else
else	{
{	char *fam = split_chr(arg, '/');
char *fam = split_chr(arg, '/');	new->name = opt_string_alloc(arg);
new->name = opt_string_alloc(arg);	new->addr.sa.sa_family = 0;
new->addr.sa.sa_family = 0;	if (fam)
if (fam)	{
{	if (strcmp(fam, "4") == 0)
if (strcmp(fam, "4") == 0)	new->addr.sa.sa_family = AF_INET;
new->addr.sa.sa_family = AF_INET;	else if (strcmp(fam, "6") == 0)
#ifdef HAVE_IPV6	new->addr.sa.sa_family = AF_INET6;
else if (strcmp(fam, "6") == 0)	else
new->addr.sa.sa_family = AF_INET6;	{
#endif	free(new->name);
else	ret_err_free(gen_err, new);
ret_err(gen_err);	}
}	}
}	}
new->next = daemon->authinterface;	new->next = daemon->authinterface;
daemon->authinterface = new;	daemon->authinterface = new;
	};
arg = comma;
} while (arg);

break;	break;

Line 1760 static int one_opt(int option, char arg, char errstr	Line 2451 static int one_opt(int option, char arg, char errstr
comma = split(arg);	comma = split(arg);

new = opt_malloc(sizeof(struct auth_zone));	new = opt_malloc(sizeof(struct auth_zone));
new->domain = opt_string_alloc(arg);	new->domain = canonicalise_opt(arg);
new->subnet = NULL;	if (!new->domain)
	ret_err_free(_("invalid auth-zone"), new);
	new->subnet = NULL;
	new->exclude = NULL;
new->interface_names = NULL;	new->interface_names = NULL;
new->next = daemon->auth_zones;	new->next = daemon->auth_zones;
daemon->auth_zones = new;	daemon->auth_zones = new;
Line 1769 static int one_opt(int option, char arg, char errstr	Line 2463 static int one_opt(int option, char arg, char errstr
while ((arg = comma))	while ((arg = comma))
{	{
int prefixlen = 0;	int prefixlen = 0;
	int is_exclude = 0;
char *prefix;	char *prefix;
struct addrlist *subnet = NULL;	struct addrlist *subnet = NULL;
struct all_addr addr;	union all_addr addr;

comma = split(arg);	comma = split(arg);
prefix = split_chr(arg, '/');	prefix = split_chr(arg, '/');
Line 1779 static int one_opt(int option, char arg, char errstr	Line 2474 static int one_opt(int option, char arg, char errstr
if (prefix && !atoi_check(prefix, &prefixlen))	if (prefix && !atoi_check(prefix, &prefixlen))
ret_err(gen_err);	ret_err(gen_err);

if (inet_pton(AF_INET, arg, &addr.addr.addr4))	if (strstr(arg, "exclude:") == arg)
{	{
	is_exclude = 1;
	arg = arg+8;
	}

	if (inet_pton(AF_INET, arg, &addr.addr4))
	{
subnet = opt_malloc(sizeof(struct addrlist));	subnet = opt_malloc(sizeof(struct addrlist));
subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen;	subnet->prefixlen = (prefixlen == 0) ? 24 : prefixlen;
subnet->flags = ADDRLIST_LITERAL;	subnet->flags = ADDRLIST_LITERAL;
}	}
#ifdef HAVE_IPV6	else if (inet_pton(AF_INET6, arg, &addr.addr6))
else if (inet_pton(AF_INET6, arg, &addr.addr.addr6))
{	{
subnet = opt_malloc(sizeof(struct addrlist));	subnet = opt_malloc(sizeof(struct addrlist));
subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen;	subnet->prefixlen = (prefixlen == 0) ? 64 : prefixlen;
subnet->flags = ADDRLIST_LITERAL \| ADDRLIST_IPV6;	subnet->flags = ADDRLIST_LITERAL \| ADDRLIST_IPV6;
}	}
#endif
else	else
{	{
struct auth_name_list *name = opt_malloc(sizeof(struct auth_name_list));	struct auth_name_list *name = opt_malloc(sizeof(struct auth_name_list));
Line 1804 static int one_opt(int option, char arg, char errstr	Line 2503 static int one_opt(int option, char arg, char errstr
{	{
if (prefixlen == 4)	if (prefixlen == 4)
name->flags &= ~AUTH6;	name->flags &= ~AUTH6;
#ifdef HAVE_IPV6
else if (prefixlen == 6)	else if (prefixlen == 6)
name->flags &= ~AUTH4;	name->flags &= ~AUTH4;
#endif
else	else
ret_err(gen_err);	ret_err(gen_err);
}	}
Line 1816 static int one_opt(int option, char arg, char errstr	Line 2513 static int one_opt(int option, char arg, char errstr
if (subnet)	if (subnet)
{	{
subnet->addr = addr;	subnet->addr = addr;
subnet->next = new->subnet;
new->subnet = subnet;	if (is_exclude)
	{
	subnet->next = new->exclude;
	new->exclude = subnet;
	}
	else
	{
	subnet->next = new->subnet;
	new->subnet = subnet;
	}
}	}
}	}
break;	break;
Line 1832 static int one_opt(int option, char arg, char errstr	Line 2538 static int one_opt(int option, char arg, char errstr
arg = comma;	arg = comma;
comma = split(arg);	comma = split(arg);
daemon->hostmaster = opt_string_alloc(arg);	daemon->hostmaster = opt_string_alloc(arg);
for (cp = daemon->hostmaster; *cp; cp++)	for (cp = daemon->hostmaster; cp && *cp; cp++)
if (*cp == '@')	if (*cp == '@')
*cp = '.';	*cp = '.';

Line 1847 static int one_opt(int option, char arg, char errstr	Line 2553 static int one_opt(int option, char arg, char errstr
comma = split(arg);	comma = split(arg);
daemon->soa_retry = (u32)atoi(arg);	daemon->soa_retry = (u32)atoi(arg);
if (comma)	if (comma)
{	daemon->soa_expiry = (u32)atoi(comma);
arg = comma;
comma = split(arg);
daemon->soa_expiry = (u32)atoi(arg);
}
}	}
}	}
}	}

break;	break;
#endif

case 's': /* --domain */	case 's': /* --domain */
case LOPT_SYNTH: /* --synth-domain */	case LOPT_SYNTH: /* --synth-domain */
Line 1865 static int one_opt(int option, char arg, char errstr	Line 2566 static int one_opt(int option, char arg, char errstr
set_option_bool(OPT_RESOLV_DOMAIN);	set_option_bool(OPT_RESOLV_DOMAIN);
else	else
{	{
char *d;	char d, d_raw = arg;
comma = split(arg);	comma = split(arg);
if (!(d = canonicalise_opt(arg)))	if (!(d = canonicalise_opt(d_raw)))
ret_err(gen_err);	ret_err(gen_err);
else	else
{	{
	free(d); /* allocate this again below. */
if (comma)	if (comma)
{	{
struct cond_domain *new = opt_malloc(sizeof(struct cond_domain));	struct cond_domain *new = opt_malloc(sizeof(struct cond_domain));
char *netpart;	char *netpart;

new->prefix = NULL;	new->prefix = NULL;
	new->indexed = 0;
	new->prefixlen = 0;

unhide_metas(comma);	unhide_metas(comma);
if ((netpart = split_chr(comma, '/')))	if ((netpart = split_chr(comma, '/')))
{	{
Line 1885 static int one_opt(int option, char arg, char errstr	Line 2589 static int one_opt(int option, char arg, char errstr

arg = split(netpart);	arg = split(netpart);
if (!atoi_check(netpart, &msize))	if (!atoi_check(netpart, &msize))
ret_err(gen_err);	ret_err_free(gen_err, new);
else if (inet_pton(AF_INET, comma, &new->start))	else if (inet_pton(AF_INET, comma, &new->start))
{	{
int mask = (1 << (32 - msize)) - 1;	int mask;

	if (msize > 32)
	ret_err_free(_("bad prefix length"), new);

	mask = (1 << (32 - msize)) - 1;
new->is6 = 0;	new->is6 = 0;
new->start.s_addr = ntohl(htonl(new->start.s_addr) & ~mask);	new->start.s_addr = ntohl(htonl(new->start.s_addr) & ~mask);
new->end.s_addr = new->start.s_addr \| htonl(mask);	new->end.s_addr = new->start.s_addr \| htonl(mask);
Line 1898 static int one_opt(int option, char arg, char errstr	Line 2607 static int one_opt(int option, char arg, char errstr
{	{
if (!(new->prefix = canonicalise_opt(arg)) \|\|	if (!(new->prefix = canonicalise_opt(arg)) \|\|
strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN)	strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN)
ret_err(_("bad prefix"));	ret_err_free(_("bad prefix"), new);
}	}
else if (strcmp(arg, "local") != 0 \|\|	else if (strcmp(arg, "local") != 0)
(msize != 8 && msize != 16 && msize != 24))	ret_err_free(gen_err, new);
ret_err(gen_err);
else	else
{	{
/* generate the equivalent of	/* local=/xxx.yyy.zzz.in-addr.arpa/ */
local=/<domain>/	domain_rev4(0, NULL, &new->start, msize);
local=/xxx.yyy.zzz.in-addr.arpa/ */
struct server *serv = add_rev4(new->start, msize);	/* local=/<domain>/ */
serv->flags \|= SERV_NO_ADDR;	/* d_raw can't failed to canonicalise here, checked above. */
	add_update_server(SERV_LITERAL_ADDRESS, NULL, NULL, NULL, d_raw, NULL);
}	}
}	}
}	}
#ifdef HAVE_IPV6
else if (inet_pton(AF_INET6, comma, &new->start6))	else if (inet_pton(AF_INET6, comma, &new->start6))
{	{
u64 mask = (1LLU << (128 - msize)) - 1LLU;	u64 mask, addrpart = addr6part(&new->start6);
u64 addrpart = addr6part(&new->start6);
	if (msize > 128)
	ret_err_free(_("bad prefix length"), new);

	mask = (1LLU << (128 - msize)) - 1LLU;

new->is6 = 1;	new->is6 = 1;
	new->prefixlen = msize;

/* prefix==64 overflows the mask calculation above */	/* prefix==64 overflows the mask calculation above */
if (msize == 64)	if (msize <= 64)
mask = (u64)-1LL;	mask = (u64)-1LL;

new->end6 = new->start6;	new->end6 = new->start6;
setaddr6part(&new->start6, addrpart & ~mask);	setaddr6part(&new->start6, addrpart & ~mask);
setaddr6part(&new->end6, addrpart \| mask);	setaddr6part(&new->end6, addrpart \| mask);

if (msize < 64)	if (arg)
ret_err(gen_err);
else if (arg)
{	{
if (option != 's')	if (option != 's')
{	{
if (!(new->prefix = canonicalise_opt(arg)) \|\|	if (!(new->prefix = canonicalise_opt(arg)) \|\|
strlen(new->prefix) > MAXLABEL - INET6_ADDRSTRLEN)	strlen(new->prefix) > MAXLABEL - INET6_ADDRSTRLEN)
ret_err(_("bad prefix"));	ret_err_free(_("bad prefix"), new);
}	}
else if (strcmp(arg, "local") != 0 \|\| ((msize & 4) != 0))	else if (strcmp(arg, "local") != 0)
ret_err(gen_err);	ret_err_free(gen_err, new);
else	else
{	{
/* generate the equivalent of	/* generate the equivalent of
local=/<domain>/
local=/xxx.yyy.zzz.ip6.arpa/ */	local=/xxx.yyy.zzz.ip6.arpa/ */
struct server *serv = add_rev6(&new->start6, msize);	domain_rev6(0, NULL, &new->start6, msize);
serv->flags \|= SERV_NO_ADDR;
	/* local=/<domain>/ */
	/* d_raw can't failed to canonicalise here, checked above. */
	add_update_server(SERV_LITERAL_ADDRESS, NULL, NULL, NULL, d_raw, NULL);
}	}
}	}
}	}
#endif
else	else
ret_err(gen_err);	ret_err_free(gen_err, new);
}	}
else	else
{	{
Line 1966 static int one_opt(int option, char arg, char errstr	Line 2679 static int one_opt(int option, char arg, char errstr
if (!arg)	if (!arg)
new->end.s_addr = new->start.s_addr;	new->end.s_addr = new->start.s_addr;
else if (!inet_pton(AF_INET, arg, &new->end))	else if (!inet_pton(AF_INET, arg, &new->end))
ret_err(gen_err);	ret_err_free(gen_err, new);
}	}
#ifdef HAVE_IPV6
else if (inet_pton(AF_INET6, comma, &new->start6))	else if (inet_pton(AF_INET6, comma, &new->start6))
{	{
new->is6 = 1;	new->is6 = 1;
if (!arg)	if (!arg)
memcpy(&new->end6, &new->start6, IN6ADDRSZ);	memcpy(&new->end6, &new->start6, IN6ADDRSZ);
else if (!inet_pton(AF_INET6, arg, &new->end6))	else if (!inet_pton(AF_INET6, arg, &new->end6))
ret_err(gen_err);	ret_err_free(gen_err, new);
}	}
#endif	else if (option == 's')
else	{
ret_err(gen_err);	/* subnet from interface. */
	new->interface = opt_string_alloc(comma);
	new->al = NULL;
	}
	else
	ret_err_free(gen_err, new);

if (option != 's' && prefstr)	if (option != 's' && prefstr)
{	{
if (!(new->prefix = canonicalise_opt(prefstr)) \|\|	if (!(new->prefix = canonicalise_opt(prefstr)) \|\|
strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN)	strlen(new->prefix) > MAXLABEL - INET_ADDRSTRLEN)
ret_err(_("bad prefix"));	ret_err_free(_("bad prefix"), new);
}	}
}	}

new->domain = d;	new->domain = canonicalise_opt(d_raw);
if (option == 's')	if (option == 's')
{	{
new->next = daemon->cond_domain;	new->next = daemon->cond_domain;
Line 1997 static int one_opt(int option, char arg, char errstr	Line 2714 static int one_opt(int option, char arg, char errstr
}	}
else	else
{	{
	char *star;
	if (new->prefix &&
	(star = strrchr(new->prefix, '*'))
	&& *(star+1) == 0)
	{
	*star = 0;
	new->indexed = 1;
	if (new->is6 && new->prefixlen < 64)
	ret_err_free(_("prefix length too small"), new);
	}
new->next = daemon->synth_domains;	new->next = daemon->synth_domains;
daemon->synth_domains = new;	daemon->synth_domains = new;
}	}
}	}
else if (option == 's')	else if (option == 's')
daemon->domain_suffix = d;	daemon->domain_suffix = canonicalise_opt(d_raw);
else	else
ret_err(gen_err);	ret_err(gen_err);
}	}
}	}
break;	break;

	case LOPT_CPE_ID: /* --add-dns-client */
	if (arg)
	daemon->dns_client_id = opt_string_alloc(arg);
	break;

	case LOPT_UMBRELLA: /* --umbrella */
	set_option_bool(OPT_UMBRELLA);
	while (arg)
	{
	comma = split(arg);
	if (strstr(arg, "deviceid:"))
	{
	char *p;
	u8 *u = daemon->umbrella_device;
	char word[3];

	arg += 9;
	if (strlen(arg) != 16)
	ret_err(gen_err);

	for (p = arg; *p; p++)
	if (!isxdigit((unsigned char)*p))
	ret_err(gen_err);

	set_option_bool(OPT_UMBRELLA_DEVID);

	for (i = 0; i < (int)sizeof(daemon->umbrella_device); i++, arg+=2)
	{
	memcpy(word, &(arg[0]), 2);
	*u++ = strtoul(word, NULL, 16);
	}
	}
	else if (strstr(arg, "orgid:"))
	{
	if (!strtoul_check(arg+6, &daemon->umbrella_org))
	ret_err(gen_err);
	}
	else if (strstr(arg, "assetid:"))
	{
	if (!strtoul_check(arg+8, &daemon->umbrella_asset))
	ret_err(gen_err);
	}
	else
	ret_err(gen_err);

	arg = comma;
	}
	break;

	case LOPT_ADD_MAC: /* --add-mac */
	if (!arg)
	set_option_bool(OPT_ADD_MAC);
	else
	{
	unhide_metas(arg);
	if (strcmp(arg, "base64") == 0)
	set_option_bool(OPT_MAC_B64);
	else if (strcmp(arg, "text") == 0)
	set_option_bool(OPT_MAC_HEX);
	else
	ret_err(gen_err);
	}
	break;

case 'u': /* --user */	case 'u': /* --user */
daemon->username = opt_string_alloc(arg);	daemon->username = opt_string_alloc(arg);
break;	break;
Line 2070 static int one_opt(int option, char arg, char errstr	Line 2861 static int one_opt(int option, char arg, char errstr
break;	break;

case 'B': /* --bogus-nxdomain */	case 'B': /* --bogus-nxdomain */
{	case LOPT_IGNORE_ADDR: /* --ignore-address */
struct in_addr addr;	{
	union all_addr addr;
	int prefix, is6 = 0;
	struct bogus_addr *baddr;

unhide_metas(arg);	unhide_metas(arg);
if (arg && (inet_pton(AF_INET, arg, &addr) > 0))
	if (!arg \|\|
	((comma = split_chr(arg, '/')) && !atoi_check(comma, &prefix)))
	ret_err(gen_err);

	if (inet_pton(AF_INET6, arg, &addr.addr6) == 1)
	is6 = 1;
	else if (inet_pton(AF_INET, arg, &addr.addr4) != 1)
	ret_err(gen_err);

	if (!comma)
{	{
struct bogus_addr *baddr = opt_malloc(sizeof(struct bogus_addr));	if (is6)
	prefix = 128;
	else
	prefix = 32;
	}

	if (prefix > 128 \|\| (!is6 && prefix > 32))
	ret_err(gen_err);

	baddr = opt_malloc(sizeof(struct bogus_addr));
	if (option == 'B')
	{
baddr->next = daemon->bogus_addr;	baddr->next = daemon->bogus_addr;
daemon->bogus_addr = baddr;	daemon->bogus_addr = baddr;
baddr->addr = addr;
}	}
else	else
ret_err(gen_err); /* error */	{
break;	baddr->next = daemon->ignore_addr;
}	daemon->ignore_addr = baddr;
	}

	baddr->prefix = prefix;
	baddr->is6 = is6;
	baddr->addr = addr;
	break;
	}

case 'a': /* --listen-address */	case 'a': /* --listen-address */
case LOPT_AUTHPEER: /* --auth-peer */	case LOPT_AUTHPEER: /* --auth-peer */
Line 2099 static int one_opt(int option, char arg, char errstr	Line 2921 static int one_opt(int option, char arg, char errstr
new->addr.in.sin_len = sizeof(new->addr.in);	new->addr.in.sin_len = sizeof(new->addr.in);
#endif	#endif
}	}
#ifdef HAVE_IPV6
else if (arg && inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0)	else if (arg && inet_pton(AF_INET6, arg, &new->addr.in6.sin6_addr) > 0)
{	{
new->addr.sa.sa_family = AF_INET6;	new->addr.sa.sa_family = AF_INET6;
Line 2110 static int one_opt(int option, char arg, char errstr	Line 2931 static int one_opt(int option, char arg, char errstr
new->addr.in6.sin6_len = sizeof(new->addr.in6);	new->addr.in6.sin6_len = sizeof(new->addr.in6);
#endif	#endif
}	}
#endif
else	else
ret_err(gen_err);	ret_err_free(gen_err, new);

new->used = 0;	new->used = 0;
if (option == 'a')	if (option == 'a')
Line 2129 static int one_opt(int option, char arg, char errstr	Line 2949 static int one_opt(int option, char arg, char errstr
} while (arg);	} while (arg);
break;	break;

	case LOPT_NO_REBIND: /* --rebind-domain-ok */
	{
	struct rebind_domain *new;

	unhide_metas(arg);

	if (*arg == '/')
	arg++;

	do {
	comma = split_chr(arg, '/');
	new = opt_malloc(sizeof(struct rebind_domain));
	new->domain = canonicalise_opt(arg);
	new->next = daemon->no_rebind;
	daemon->no_rebind = new;
	arg = comma;
	} while (arg && *arg);

	break;
	}

case 'S': /* --server */	case 'S': /* --server */
case LOPT_LOCAL: /* --local */	case LOPT_LOCAL: /* --local */
case 'A': /* --address */	case 'A': /* --address */
case LOPT_NO_REBIND: /* --rebind-domain-ok */
{	{
struct server serv, newlist = NULL;	char lastdomain = NULL, domain = "", *cur_domain;
	u16 flags = 0;
	char *err;
	union all_addr addr;
	union mysockaddr serv_addr, source_addr;
	char interface[IF_NAMESIZE+1];
	struct server_details sdetails;

	memset(&sdetails, 0, sizeof(struct server_details));
	sdetails.addr = &serv_addr;
	sdetails.source_addr = &source_addr;
	sdetails.interface = interface;
	sdetails.flags = &flags;

unhide_metas(arg);	unhide_metas(arg);

if (arg && (*arg == '/' \|\| option == LOPT_NO_REBIND))	/* split the domain args, if any and skip to the end of them. */
	if (arg && *arg == '/')
{	{
int rebind = !(*arg == '/');	char *last;
char *end = NULL;
if (!rebind)	domain = lastdomain = ++arg;
arg++;
while (rebind \|\| (end = split_chr(arg, '/')))	while ((last = split_chr(arg, '/')))
{	{
char *domain = NULL;	lastdomain = arg;
/* elide leading dots - they are implied in the search algorithm */	arg = last;
while (*arg == '.') arg++;
/* # matches everything and becomes a zero length domain string */
if (strcmp(arg, "#") == 0)
domain = "";
else if (strlen (arg) != 0 && !(domain = canonicalise_opt(arg)))
option = '?';
serv = opt_malloc(sizeof(struct server));
memset(serv, 0, sizeof(struct server));
serv->next = newlist;
newlist = serv;
serv->domain = domain;
serv->flags = domain ? SERV_HAS_DOMAIN : SERV_FOR_NODOTS;
arg = end;
if (rebind)
break;
}	}
if (!newlist)
ret_err(gen_err);
}	}
else
{
newlist = opt_malloc(sizeof(struct server));
memset(newlist, 0, sizeof(struct server));
}

if (servers_only && option == 'S')
newlist->flags \|= SERV_FROM_FILE;

if (option == 'A')
{
newlist->flags \|= SERV_LITERAL_ADDRESS;
if (!(newlist->flags & SERV_TYPE))
ret_err(gen_err);
}
else if (option == LOPT_NO_REBIND)
newlist->flags \|= SERV_NO_REBIND;

if (!arg \|\| !*arg)	if (!arg \|\| !*arg)
	flags = SERV_LITERAL_ADDRESS;
	else if (option == 'A')
{	{
if (!(newlist->flags & SERV_NO_REBIND))	/* # as literal address means return zero address for 4 and 6 */
newlist->flags \|= SERV_NO_ADDR; /* no server */	if (strcmp(arg, "#") == 0)
if (newlist->flags & SERV_LITERAL_ADDRESS)	flags = SERV_ALL_ZEROS \| SERV_LITERAL_ADDRESS;
ret_err(gen_err);	else if (inet_pton(AF_INET, arg, &addr.addr4) > 0)
	flags = SERV_4ADDR \| SERV_LITERAL_ADDRESS;
	else if (inet_pton(AF_INET6, arg, &addr.addr6) > 0)
	flags = SERV_6ADDR \| SERV_LITERAL_ADDRESS;
	else
	ret_err(_("Bad address in --address"));
}	}

else if (strcmp(arg, "#") == 0)
{
newlist->flags \|= SERV_USE_RESOLV; /* treat in ordinary way */
if (newlist->flags & SERV_LITERAL_ADDRESS)
ret_err(gen_err);
}
else	else
{	{
char *err = parse_server(arg, &newlist->addr, &newlist->source_addr, newlist->interface, &newlist->flags);	if ((err = parse_server(arg, &sdetails)))
if (err)
ret_err(err);	ret_err(err);
}	}

serv = newlist;	if (servers_only && option == 'S')
while (serv->next)	flags \|= SERV_FROM_FILE;

	cur_domain = domain;
	while ((flags & SERV_LITERAL_ADDRESS) \|\| parse_server_next(&sdetails))
{	{
serv->next->flags = serv->flags;	cur_domain = domain;
serv->next->addr = serv->addr;
serv->next->source_addr = serv->source_addr;	if (!(flags & SERV_LITERAL_ADDRESS) && (err = parse_server_addr(&sdetails)))
strcpy(serv->next->interface, serv->interface);	ret_err(err);
serv = serv->next;
	/* When source is set only use DNS records of the same type and skip all others */
	if (flags & SERV_HAS_SOURCE && sdetails.addr_type != sdetails.source_addr->sa.sa_family)
	continue;

	while (1)
	{
	/* server=//1.2.3.4 is special. */
	if (lastdomain)
	{
	if (strlen(cur_domain) == 0)
	flags \|= SERV_FOR_NODOTS;
	else
	flags &= ~SERV_FOR_NODOTS;

	/* address=/#/ matches the same as without domain */
	if (option == 'A' && cur_domain[0] == '#' && cur_domain[1] == 0)
	cur_domain[0] = 0;
	}

	if (!add_update_server(flags, sdetails.addr, sdetails.source_addr, sdetails.interface, cur_domain, &addr))
	ret_err(gen_err);

	if (!lastdomain \|\| cur_domain == lastdomain)
	break;

	cur_domain += strlen(cur_domain) + 1;
	}

	if (flags & SERV_LITERAL_ADDRESS)
	break;
}	}
serv->next = daemon->servers;
daemon->servers = newlist;	if (sdetails.orig_hostinfo)
break;	freeaddrinfo(sdetails.orig_hostinfo);

	break;
}	}

case LOPT_REV_SERV: /* --rev-server */	case LOPT_REV_SERV: /* --rev-server */
{	{
char *string;	char *string;
int size;	int size;
struct server *serv;
struct in_addr addr4;	struct in_addr addr4;
#ifdef HAVE_IPV6
struct in6_addr addr6;	struct in6_addr addr6;
#endif

unhide_metas(arg);	unhide_metas(arg);
if (!arg \|\| !(comma=split(arg)) \|\| !(string = split_chr(arg, '/')) \|\| !atoi_check(string, &size))	if (!arg)
ret_err(gen_err);	ret_err(gen_err);

	comma=split(arg);

	if (!(string = split_chr(arg, '/')) \|\| !atoi_check(string, &size))
	size = -1;

if (inet_pton(AF_INET, arg, &addr4))	if (inet_pton(AF_INET, arg, &addr4))
serv = add_rev4(addr4, size);	{
#ifdef HAVE_IPV6	if (size == -1)
	size = 32;

	if ((string = domain_rev4(servers_only, comma, &addr4, size)))
	ret_err(string);
	}
else if (inet_pton(AF_INET6, arg, &addr6))	else if (inet_pton(AF_INET6, arg, &addr6))
serv = add_rev6(&addr6, size);	{
#endif	if (size == -1)
	size = 128;

	if ((string = domain_rev6(servers_only, comma, &addr6, size)))
	ret_err(string);
	}
else	else
ret_err(gen_err);	ret_err(gen_err);

string = parse_server(comma, &serv->addr, &serv->source_addr, serv->interface, &serv->flags);

if (string)
ret_err(string);

if (servers_only)
serv->flags \|= SERV_FROM_FILE;

break;	break;
}	}

case LOPT_IPSET: /* --ipset */	case LOPT_IPSET: /* --ipset */
	case LOPT_NFTSET: /* --nftset */
#ifndef HAVE_IPSET	#ifndef HAVE_IPSET
ret_err(_("recompile with HAVE_IPSET defined to enable ipset directives"));	if (option == LOPT_IPSET)
break;	{
#else	ret_err(_("recompile with HAVE_IPSET defined to enable ipset directives"));
	break;
	}
	#endif
	#ifndef HAVE_NFTSET
	if (option == LOPT_NFTSET)
	{
	ret_err(_("recompile with HAVE_NFTSET defined to enable nftset directives"));
	break;
	}
	#endif

{	{
struct ipsets ipsets_head;	struct ipsets ipsets_head;
struct ipsets *ipsets = &ipsets_head;	struct ipsets *ipsets = &ipsets_head;
	struct ipsets **daemon_sets =
	(option == LOPT_IPSET) ? &daemon->ipsets : &daemon->nftsets;
int size;	int size;
char *end;	char *end;
char sets, sets_pos;	char sets, sets_pos;
Line 2280 static int one_opt(int option, char arg, char errstr	Line 3151 static int one_opt(int option, char arg, char errstr
if (strcmp(arg, "#") == 0 \|\| !*arg)	if (strcmp(arg, "#") == 0 \|\| !*arg)
domain = "";	domain = "";
else if (strlen(arg) != 0 && !(domain = canonicalise_opt(arg)))	else if (strlen(arg) != 0 && !(domain = canonicalise_opt(arg)))
option = '?';	ret_err(gen_err);
ipsets->next = opt_malloc(sizeof(struct ipsets));	ipsets->next = opt_malloc(sizeof(struct ipsets));
ipsets = ipsets->next;	ipsets = ipsets->next;
memset(ipsets, 0, sizeof(struct ipsets));	memset(ipsets, 0, sizeof(struct ipsets));
Line 2295 static int one_opt(int option, char arg, char errstr	Line 3166 static int one_opt(int option, char arg, char errstr
memset(ipsets, 0, sizeof(struct ipsets));	memset(ipsets, 0, sizeof(struct ipsets));
ipsets->domain = "";	ipsets->domain = "";
}	}

if (!arg \|\| !*arg)	if (!arg \|\| !*arg)
{	ret_err(gen_err);
option = '?';
break;	for (size = 2, end = arg; *end; ++end)
}
size = 2;
for (end = arg; *end; ++end)
if (*end == ',')	if (*end == ',')
++size;	++size;

sets = sets_pos = opt_malloc(sizeof(char ) size);	sets = sets_pos = opt_malloc(sizeof(char ) size);

do {	do {
	char *p;
end = split(arg);	end = split(arg);
*sets_pos++ = opt_string_alloc(arg);	*sets_pos = opt_string_alloc(arg);
	/* Use '#' to delimit table and set */
	if (option == LOPT_NFTSET)
	while ((p = strchr(*sets_pos, '#')))
	*p = ' ';
	sets_pos++;
arg = end;	arg = end;
} while (end);	} while (end);
*sets_pos = 0;	*sets_pos = 0;
for (ipsets = &ipsets_head; ipsets->next; ipsets = ipsets->next)	for (ipsets = &ipsets_head; ipsets->next; ipsets = ipsets->next)
ipsets->next->sets = sets;	ipsets->next->sets = sets;
ipsets->next = daemon->ipsets;	ipsets->next = *daemon_sets;
daemon->ipsets = ipsets_head.next;	*daemon_sets = ipsets_head.next;

break;	break;
}	}

	case LOPT_CMARK_ALST_EN: /* --connmark-allowlist-enable */
	#ifndef HAVE_CONNTRACK
	ret_err(_("recompile with HAVE_CONNTRACK defined to enable connmark-allowlist directives"));
	break;
	#else
	{
	u32 mask = UINT32_MAX;

	if (arg)
	if (!strtoul_check(arg, &mask) \|\| mask < 1)
	ret_err(gen_err);

	set_option_bool(OPT_CMARK_ALST_EN);
	daemon->allowlist_mask = mask;
	break;
	}
#endif	#endif

	case LOPT_CMARK_ALST: /* --connmark-allowlist */
	#ifndef HAVE_CONNTRACK
	ret_err(_("recompile with HAVE_CONNTRACK defined to enable connmark-allowlist directives"));
	break;
	#else
	{
	struct allowlist *allowlists;
	char patterns, patterns_pos;
	u32 mark, mask = UINT32_MAX;
	size_t num_patterns = 0;

	char c, m = NULL;
	char *separator;
	unhide_metas(arg);
	if (!arg)
	ret_err(gen_err);
	c = arg;
	if (c < '0' \|\| c > '9')
	ret_err(gen_err);
	while (c && c != ',')
	{
	if (*c == '/')
	{
	if (m)
	ret_err(gen_err);
	*c = '\0';
	m = ++c;
	}
	if (c < '0' \|\| c > '9')
	ret_err(gen_err);
	c++;
	}
	separator = c;
	if (!*separator)
	break;
	while (c && *c)
	{
	char *end = strchr(++c, '/');
	if (end)
	*end = '\0';
	if (strcmp(c, "*") && !is_valid_dns_name_pattern(c))
	ret_err(gen_err);
	if (end)
	*end = '/';
	if (num_patterns >= UINT16_MAX - 1)
	ret_err(gen_err);
	num_patterns++;
	c = end;
	}

	*separator = '\0';
	if (!strtoul_check(arg, &mark) \|\| mark < 1 \|\| mark > UINT32_MAX)
	ret_err(gen_err);
	if (m)
	if (!strtoul_check(m, &mask) \|\| mask < 1 \|\| mask > UINT32_MAX \|\| (mark & ~mask))
	ret_err(gen_err);
	if (num_patterns)
	*separator = ',';
	for (allowlists = daemon->allowlists; allowlists; allowlists = allowlists->next)
	if (allowlists->mark == mark && allowlists->mask == mask)
	ret_err(gen_err);

	patterns = opt_malloc((num_patterns + 1) * sizeof(char *));
	if (!patterns)
	goto fail_cmark_allowlist;
	patterns_pos = patterns;
	c = separator;
	while (c && *c)
	{
	char *end = strchr(++c, '/');
	if (end)
	*end = '\0';
	if (!(*patterns_pos++ = opt_string_alloc(c)))
	goto fail_cmark_allowlist;
	if (end)
	*end = '/';
	c = end;
	}
	*patterns_pos++ = NULL;

	allowlists = opt_malloc(sizeof(struct allowlist));
	if (!allowlists)
	goto fail_cmark_allowlist;
	memset(allowlists, 0, sizeof(struct allowlist));
	allowlists->mark = mark;
	allowlists->mask = mask;
	allowlists->patterns = patterns;
	allowlists->next = daemon->allowlists;
	daemon->allowlists = allowlists;
	break;

	fail_cmark_allowlist:
	if (patterns)
	{
	for (patterns_pos = patterns; *patterns_pos; patterns_pos++)
	{
	free(*patterns_pos);
	*patterns_pos = NULL;
	}
	free(patterns);
	patterns = NULL;
	}
	if (allowlists)
	{
	free(allowlists);
	allowlists = NULL;
	}
	ret_err(gen_err);
	}
	#endif

case 'c': /* --cache-size */	case 'c': /* --cache-size */
{	{
int size;	int size;
Line 2334 static int one_opt(int option, char arg, char errstr	Line 3337 static int one_opt(int option, char arg, char errstr

if (size < 0)	if (size < 0)
size = 0;	size = 0;
else if (size > 10000)
size = 10000;	/* Note that for very large cache sizes, the malloc()
	will overflow. For the size of the cache record
	at the time this was noted, the value of "very large"
	was 46684428. Limit to an order of magnitude less than
	that to be safe from changes to the cache record. */
	if (size > 5000000)
	size = 5000000;

daemon->cachesize = size;	daemon->cachesize = size;
}	}
Line 2352 static int one_opt(int option, char arg, char errstr	Line 3361 static int one_opt(int option, char arg, char errstr
ret_err(gen_err);	ret_err(gen_err);
break;	break;

	case LOPT_MAXPORT: /* --max-port */
	if (!atoi_check16(arg, &daemon->max_port))
	ret_err(gen_err);
	break;

case '0': /* --dns-forward-max */	case '0': /* --dns-forward-max */
if (!atoi_check(arg, &daemon->ftabsize))	if (!atoi_check(arg, &daemon->ftabsize))
ret_err(gen_err);	ret_err(gen_err);
break;	break;

	case 'q': /* --log-queries */
	set_option_bool(OPT_LOG);
	if (arg && strcmp(arg, "extra") == 0)
	set_option_bool(OPT_EXTRALOG);
	break;

case LOPT_MAX_LOGS: /* --log-async */	case LOPT_MAX_LOGS: /* --log-async */
daemon->max_logs = LOG_MAX; /* default */	daemon->max_logs = LOG_MAX; /* default */
if (arg && !atoi_check(arg, &daemon->max_logs))	if (arg && !atoi_check(arg, &daemon->max_logs))
Line 2382 static int one_opt(int option, char arg, char errstr	Line 3402 static int one_opt(int option, char arg, char errstr
if (daemon->query_port == 0)	if (daemon->query_port == 0)
daemon->osport = 1;	daemon->osport = 1;
break;	break;

	case LOPT_RANDPORT_LIM: /* --port-limit */
	if (!atoi_check(arg, &daemon->randport_limit) \|\| (daemon->randport_limit < 1))
	ret_err(gen_err);
	break;

case 'T': /* --local-ttl */	case 'T': /* --local-ttl */
case LOPT_NEGTTL: /* --neg-ttl */	case LOPT_NEGTTL: /* --neg-ttl */
case LOPT_MAXTTL: /* --max-ttl */	case LOPT_MAXTTL: /* --max-ttl */
	case LOPT_MINCTTL: /* --min-cache-ttl */
case LOPT_MAXCTTL: /* --max-cache-ttl */	case LOPT_MAXCTTL: /* --max-cache-ttl */
case LOPT_AUTHTTL: /* --auth-ttl */	case LOPT_AUTHTTL: /* --auth-ttl */
	case LOPT_DHCPTTL: /* --dhcp-ttl */
{	{
int ttl;	int ttl;
if (!atoi_check(arg, &ttl))	if (!atoi_check(arg, &ttl))
Line 2396 static int one_opt(int option, char arg, char errstr	Line 3423 static int one_opt(int option, char arg, char errstr
daemon->neg_ttl = (unsigned long)ttl;	daemon->neg_ttl = (unsigned long)ttl;
else if (option == LOPT_MAXTTL)	else if (option == LOPT_MAXTTL)
daemon->max_ttl = (unsigned long)ttl;	daemon->max_ttl = (unsigned long)ttl;
	else if (option == LOPT_MINCTTL)
	{
	if (ttl > TTL_FLOOR_LIMIT)
	ttl = TTL_FLOOR_LIMIT;
	daemon->min_cache_ttl = (unsigned long)ttl;
	}
else if (option == LOPT_MAXCTTL)	else if (option == LOPT_MAXCTTL)
daemon->max_cache_ttl = (unsigned long)ttl;	daemon->max_cache_ttl = (unsigned long)ttl;
else if (option == LOPT_AUTHTTL)	else if (option == LOPT_AUTHTTL)
daemon->auth_ttl = (unsigned long)ttl;	daemon->auth_ttl = (unsigned long)ttl;
	else if (option == LOPT_DHCPTTL)
	{
	daemon->dhcp_ttl = (unsigned long)ttl;
	daemon->use_dhcp_ttl = 1;
	}
else	else
daemon->local_ttl = (unsigned long)ttl;	daemon->local_ttl = (unsigned long)ttl;
break;	break;
}	}

	case LOPT_FAST_RETRY:
	daemon->fast_retry_timeout = TIMEOUT;

	if (!arg)
	daemon->fast_retry_time = DEFAULT_FAST_RETRY;
	else
	{
	int retry;

	comma = split(arg);
	if (!atoi_check(arg, &retry) \|\| retry < 50)
	ret_err(gen_err);
	daemon->fast_retry_time = retry;

	if (comma)
	{
	if (!atoi_check(comma, &retry))
	ret_err(gen_err);
	daemon->fast_retry_timeout = retry/1000;
	}
	}
	break;

#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
case 'X': /* --dhcp-lease-max */	case 'X': /* --dhcp-lease-max */
if (!atoi_check(arg, &daemon->dhcp_max))	if (!atoi_check(arg, &daemon->dhcp_max))
Line 2418 static int one_opt(int option, char arg, char errstr	Line 3479 static int one_opt(int option, char arg, char errstr
ret_err(gen_err);	ret_err(gen_err);
break;	break;

	case LOPT_TFTP_MTU: /* --tftp-mtu */
	if (!atoi_check(arg, &daemon->tftp_mtu))
	ret_err(gen_err);
	break;

case LOPT_PREFIX: /* --tftp-prefix */	case LOPT_PREFIX: /* --tftp-prefix */
comma = split(arg);	comma = split(arg);
if (comma)	if (comma)
Line 2446 static int one_opt(int option, char arg, char errstr	Line 3512 static int one_opt(int option, char arg, char errstr
}	}

break;	break;

	case LOPT_APREF: /* --tftp-unique-root */
	if (!arg \|\| strcasecmp(arg, "ip") == 0)
	set_option_bool(OPT_TFTP_APREF_IP);
	else if (strcasecmp(arg, "mac") == 0)
	set_option_bool(OPT_TFTP_APREF_MAC);
	else
	ret_err(gen_err);
	break;
#endif	#endif

case LOPT_BRIDGE: /* --bridge-interface */	case LOPT_BRIDGE: /* --bridge-interface */
{	{
struct dhcp_bridge *new = opt_malloc(sizeof(struct dhcp_bridge));	struct dhcp_bridge *new;

if (!(comma = split(arg)) \|\| strlen(arg) > IF_NAMESIZE - 1 )	if (!(comma = split(arg)) \|\| strlen(arg) > IF_NAMESIZE - 1 )
ret_err(_("bad bridge-interface"));	ret_err(_("bad bridge-interface"));

strcpy(new->iface, arg);
new->alias = NULL;
new->next = daemon->bridges;
daemon->bridges = new;

	for (new = daemon->bridges; new; new = new->next)
	if (strcmp(new->iface, arg) == 0)
	break;

	if (!new)
	{
	new = opt_malloc(sizeof(struct dhcp_bridge));
	strcpy(new->iface, arg);
	new->alias = NULL;
	new->next = daemon->bridges;
	daemon->bridges = new;
	}

do {	do {
arg = comma;	arg = comma;
comma = split(arg);	comma = split(arg);
Line 2475 static int one_opt(int option, char arg, char errstr	Line 3559 static int one_opt(int option, char arg, char errstr
}	}

#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
	case LOPT_SHARED_NET: /* --shared-network */
	{
	struct shared_network *new = opt_malloc(sizeof(struct shared_network));

	#ifdef HAVE_DHCP6
	new->shared_addr.s_addr = 0;
	#endif
	new->if_index = 0;

	if (!(comma = split(arg)))
	{
	snerr:
	free(new);
	ret_err(_("bad shared-network"));
	}

	if (inet_pton(AF_INET, comma, &new->shared_addr))
	{
	if (!inet_pton(AF_INET, arg, &new->match_addr) &&
	!(new->if_index = if_nametoindex(arg)))
	goto snerr;
	}
	#ifdef HAVE_DHCP6
	else if (inet_pton(AF_INET6, comma, &new->shared_addr6))
	{
	if (!inet_pton(AF_INET6, arg, &new->match_addr6) &&
	!(new->if_index = if_nametoindex(arg)))
	goto snerr;
	}
	#endif
	else
	goto snerr;

	new->next = daemon->shared_networks;
	daemon->shared_networks = new;
	break;
	}

case 'F': /* --dhcp-range */	case 'F': /* --dhcp-range */
{	{
int k, leasepos = 2;	int k, leasepos = 2;
Line 2482 static int one_opt(int option, char arg, char errstr	Line 3604 static int one_opt(int option, char arg, char errstr
struct dhcp_context *new = opt_malloc(sizeof(struct dhcp_context));	struct dhcp_context *new = opt_malloc(sizeof(struct dhcp_context));

memset (new, 0, sizeof(*new));	memset (new, 0, sizeof(*new));
new->lease_time = DEFLEASE;

if (!arg)
{
option = '?';
break;
}

while(1)	while(1)
{	{
for (cp = arg; *cp; cp++)	for (cp = arg; *cp; cp++)
Line 2502 static int one_opt(int option, char arg, char errstr	Line 3617 static int one_opt(int option, char arg, char errstr
{	{
if (is_tag_prefix(arg))	if (is_tag_prefix(arg))
{	{
struct dhcp_netid *tt = opt_malloc(sizeof (struct dhcp_netid));
tt->net = opt_string_alloc(arg+4);
tt->next = new->filter;
/* ignore empty tag */	/* ignore empty tag */
if (tt->net)	if (arg[4])
new->filter = tt;	new->filter = dhcp_netid_create(arg+4, new->filter);
}	}
else	else
{	{
if (new->netid.net)	if (new->netid.net)
ret_err(_("only one tag allowed"));	{
else if (strstr(arg, "set:") == arg)	dhcp_context_free(new);
new->netid.net = opt_string_alloc(arg+4);	ret_err(_("only one tag allowed"));
	}
else	else
new->netid.net = opt_string_alloc(arg);	new->netid.net = opt_string_alloc(set_prefix(arg));
}	}
arg = comma;	arg = comma;
}	}
Line 2532 static int one_opt(int option, char arg, char errstr	Line 3645 static int one_opt(int option, char arg, char errstr
break;	break;

if (k < 2)	if (k < 2)
ret_err(_("bad dhcp-range"));	{
	dhcp_context_free(new);
	ret_err(_("bad dhcp-range"));
	}

if (inet_pton(AF_INET, a[0], &new->start))	if (inet_pton(AF_INET, a[0], &new->start))
{	{
new->next = daemon->dhcp;	new->next = daemon->dhcp;
	new->lease_time = DEFLEASE;
daemon->dhcp = new;	daemon->dhcp = new;
new->end = new->start;	new->end = new->start;
if (strcmp(a[1], "static") == 0)	if (strcmp(a[1], "static") == 0)
Line 2544 static int one_opt(int option, char arg, char errstr	Line 3661 static int one_opt(int option, char arg, char errstr
else if (strcmp(a[1], "proxy") == 0)	else if (strcmp(a[1], "proxy") == 0)
new->flags \|= CONTEXT_PROXY;	new->flags \|= CONTEXT_PROXY;
else if (!inet_pton(AF_INET, a[1], &new->end))	else if (!inet_pton(AF_INET, a[1], &new->end))
ret_err(_("bad dhcp-range"));	{
	dhcp_context_free(new);
	ret_err(_("bad dhcp-range"));
	}

if (ntohl(new->start.s_addr) > ntohl(new->end.s_addr))	if (ntohl(new->start.s_addr) > ntohl(new->end.s_addr))
{	{
Line 2559 static int one_opt(int option, char arg, char errstr	Line 3679 static int one_opt(int option, char arg, char errstr
new->flags \|= CONTEXT_NETMASK;	new->flags \|= CONTEXT_NETMASK;
leasepos = 3;	leasepos = 3;
if (!is_same_net(new->start, new->end, new->netmask))	if (!is_same_net(new->start, new->end, new->netmask))
ret_err(_("inconsistent DHCP range"));	{
}	dhcp_context_free(new);
	ret_err(_("inconsistent DHCP range"));
	}


if (k >= 4 && strchr(a[3], '.') &&	if (k >= 4 && strchr(a[3], '.') &&
(inet_pton(AF_INET, a[3], &new->broadcast) > 0))	(inet_pton(AF_INET, a[3], &new->broadcast) > 0))
{	{
new->flags \|= CONTEXT_BRDCAST;	new->flags \|= CONTEXT_BRDCAST;
leasepos = 4;	leasepos = 4;
	}
}	}
}	}
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
else if (inet_pton(AF_INET6, a[0], &new->start6))	else if (inet_pton(AF_INET6, a[0], &new->start6))
{	{
	const char *err = NULL;

new->flags \|= CONTEXT_V6;	new->flags \|= CONTEXT_V6;
new->prefix = 64; /* default */	new->prefix = 64; /* default */
new->end6 = new->start6;	new->end6 = new->start6;
	new->lease_time = DEFLEASE6;
new->next = daemon->dhcp6;	new->next = daemon->dhcp6;
daemon->dhcp6 = new;	daemon->dhcp6 = new;

Line 2583 static int one_opt(int option, char arg, char errstr	Line 3710 static int one_opt(int option, char arg, char errstr
if (strcmp(a[leasepos], "static") == 0)	if (strcmp(a[leasepos], "static") == 0)
new->flags \|= CONTEXT_STATIC \| CONTEXT_DHCP;	new->flags \|= CONTEXT_STATIC \| CONTEXT_DHCP;
else if (strcmp(a[leasepos], "ra-only") == 0 \|\| strcmp(a[leasepos], "slaac") == 0 )	else if (strcmp(a[leasepos], "ra-only") == 0 \|\| strcmp(a[leasepos], "slaac") == 0 )
new->flags \|= CONTEXT_RA_ONLY \| CONTEXT_RA;	new->flags \|= CONTEXT_RA;
else if (strcmp(a[leasepos], "ra-names") == 0)	else if (strcmp(a[leasepos], "ra-names") == 0)
new->flags \|= CONTEXT_RA_NAME \| CONTEXT_RA;	new->flags \|= CONTEXT_RA_NAME \| CONTEXT_RA;
	else if (strcmp(a[leasepos], "ra-advrouter") == 0)
	new->flags \|= CONTEXT_RA_ROUTER \| CONTEXT_RA;
else if (strcmp(a[leasepos], "ra-stateless") == 0)	else if (strcmp(a[leasepos], "ra-stateless") == 0)
new->flags \|= CONTEXT_RA_STATELESS \| CONTEXT_DHCP \| CONTEXT_RA;	new->flags \|= CONTEXT_RA_STATELESS \| CONTEXT_DHCP \| CONTEXT_RA;
	else if (strcmp(a[leasepos], "off-link") == 0)
	new->flags \|= CONTEXT_RA_OFF_LINK;
else if (leasepos == 1 && inet_pton(AF_INET6, a[leasepos], &new->end6))	else if (leasepos == 1 && inet_pton(AF_INET6, a[leasepos], &new->end6))
new->flags \|= CONTEXT_DHCP;	new->flags \|= CONTEXT_DHCP;
else if (strstr(a[leasepos], "constructor:") == a[leasepos])	else if (strstr(a[leasepos], "constructor:") == a[leasepos])
Line 2613 static int one_opt(int option, char arg, char errstr	Line 3744 static int one_opt(int option, char arg, char errstr
}	}
}	}

if (new->prefix != 64)	if (new->prefix > 64)
{	{
if ((new->flags & (CONTEXT_RA_ONLY \| CONTEXT_RA_NAME \| CONTEXT_RA_STATELESS)))	if (new->flags & CONTEXT_RA)
ret_err(_("prefix length must be exactly 64 for RA subnets"));	err=(_("prefix length must be exactly 64 for RA subnets"));
else if (new->flags & CONTEXT_TEMPLATE)	else if (new->flags & CONTEXT_TEMPLATE)
ret_err(_("prefix length must be exactly 64 for subnet constructors"));	err=(_("prefix length must be exactly 64 for subnet constructors"));
}	}
	else if (new->prefix < 64)
if (new->prefix < 64)	err=(_("prefix length must be at least 64"));
ret_err(_("prefix length must be at least 64"));

if (!is_same_net6(&new->start6, &new->end6, new->prefix))	if (!err && !is_same_net6(&new->start6, &new->end6, new->prefix))
ret_err(_("inconsistent DHCPv6 range"));	err=(_("inconsistent DHCPv6 range"));

	if (err)
	{
	dhcp_context_free(new);
	ret_err(err);
	}

/* dhcp-range=:: enables DHCP stateless on any interface */	/* dhcp-range=:: enables DHCP stateless on any interface */
if (IN6_IS_ADDR_UNSPECIFIED(&new->start6) && !(new->flags & CONTEXT_TEMPLATE))	if (IN6_IS_ADDR_UNSPECIFIED(&new->start6) && !(new->flags & CONTEXT_TEMPLATE))
new->prefix = 0;	new->prefix = 0;
Line 2636 static int one_opt(int option, char arg, char errstr	Line 3772 static int one_opt(int option, char arg, char errstr
struct in6_addr zero;	struct in6_addr zero;
memset(&zero, 0, sizeof(zero));	memset(&zero, 0, sizeof(zero));
if (!is_same_net6(&zero, &new->start6, new->prefix))	if (!is_same_net6(&zero, &new->start6, new->prefix))
ret_err(_("prefix must be zero with \"constructor:\" argument"));	{
	dhcp_context_free(new);
	ret_err(_("prefix must be zero with \"constructor:\" argument"));
	}
}	}

if (addr6part(&new->start6) > addr6part(&new->end6))	if (addr6part(&new->start6) > addr6part(&new->end6))
Line 2648 static int one_opt(int option, char arg, char errstr	Line 3787 static int one_opt(int option, char arg, char errstr
}	}
#endif	#endif
else	else
ret_err(_("bad dhcp-range"));	{
	dhcp_context_free(new);
	ret_err(_("bad dhcp-range"));
	}

if (leasepos < k)	if (leasepos < k)
{	{
	if (leasepos != k-1)
	{
	dhcp_context_free(new);
	ret_err(_("bad dhcp-range"));
	}

if (strcmp(a[leasepos], "infinite") == 0)	if (strcmp(a[leasepos], "infinite") == 0)
new->lease_time = 0xffffffff;	{
	new->lease_time = 0xffffffff;
	new->flags \|= CONTEXT_SETLEASE;
	}
else if (strcmp(a[leasepos], "deprecated") == 0)	else if (strcmp(a[leasepos], "deprecated") == 0)
new->flags \|= CONTEXT_DEPRECATE;	new->flags \|= CONTEXT_DEPRECATE;
else	else
Line 2670 static int one_opt(int option, char arg, char errstr	Line 3821 static int one_opt(int option, char arg, char errstr
case 'd':	case 'd':
case 'D':	case 'D':
fac *= 24;	fac *= 24;
/* fall though */	/* fall through */
case 'h':	case 'h':
case 'H':	case 'H':
fac *= 60;	fac *= 60;
Line 2689 static int one_opt(int option, char arg, char errstr	Line 3840 static int one_opt(int option, char arg, char errstr
break;	break;

if (*cp \|\| (leasepos+1 < k))	if (*cp \|\| (leasepos+1 < k))
ret_err(_("bad dhcp-range"));	ret_err_free(_("bad dhcp-range"), new);

new->lease_time = atoi(a[leasepos]) * fac;	new->lease_time = atoi(a[leasepos]) * fac;
	new->flags \|= CONTEXT_SETLEASE;
/* Leases of a minute or less confuse	/* Leases of a minute or less confuse
some clients, notably Apple's */	some clients, notably Apple's */
if (new->lease_time < 120)	if (new->lease_time < 120)
Line 2699 static int one_opt(int option, char arg, char errstr	Line 3851 static int one_opt(int option, char arg, char errstr
}	}
}	}
}	}

break;	break;
}	}

case LOPT_BANK:	case LOPT_BANK:
case 'G': /* --dhcp-host */	case 'G': /* --dhcp-host */
{	{
int j, k = 0;
char *a[7] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL };
struct dhcp_config *new;	struct dhcp_config *new;
struct in_addr in;	struct in_addr in;

Line 2716 static int one_opt(int option, char arg, char errstr	Line 3867 static int one_opt(int option, char arg, char errstr
new->flags = (option == LOPT_BANK) ? CONFIG_BANK : 0;	new->flags = (option == LOPT_BANK) ? CONFIG_BANK : 0;
new->hwaddr = NULL;	new->hwaddr = NULL;
new->netid = NULL;	new->netid = NULL;
	new->filter = NULL;
if ((a[0] = arg))	new->clid = NULL;
for (k = 1; k < 7; k++)
if (!(a[k] = split(a[k-1])))
break;

for (j = 0; j < k; j++)
if (strchr(a[j], ':')) /* ethernet address, netid or binary CLID */
{
char *arg = a[j];

if ((arg[0] == 'i' \|\| arg[0] == 'I') &&
(arg[1] == 'd' \|\| arg[1] == 'D') &&
arg[2] == ':')
{
if (arg[3] == '*')
new->flags \|= CONFIG_NOCLID;
else
{
int len;
arg += 3; /* dump id: */
if (strchr(arg, ':'))
len = parse_hex(arg, (unsigned char *)arg, -1, NULL, NULL);
else
{
unhide_metas(arg);
len = (int) strlen(arg);
}

if (len == -1)

ret_err(_("bad hex constant"));
else if ((new->clid = opt_malloc(len)))
{
new->flags \|= CONFIG_CLID;
new->clid_len = len;
memcpy(new->clid, arg, len);
}
}
}
/* dhcp-host has strange backwards-compat needs. */
else if (strstr(arg, "net:") == arg \|\| strstr(arg, "set:") == arg)
{
struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid));
struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list));
newtag->net = opt_malloc(strlen(arg + 4) + 1);
newlist->next = new->netid;
new->netid = newlist;
newlist->list = newtag;
strcpy(newtag->net, arg+4);
unhide_metas(newtag->net);
}
else if (strstr(arg, "tag:") == arg)
ret_err(_("cannot match tags in --dhcp-host"));
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
else if (arg[0] == '[' && arg[strlen(arg)-1] == ']')	new->addr6 = NULL;
{	#endif
arg[strlen(arg)-1] = 0;
arg++;	while (arg)
	{
	comma = split(arg);
	if (strchr(arg, ':')) /* ethernet address, netid or binary CLID */
	{
	if ((arg[0] == 'i' \|\| arg[0] == 'I') &&
	(arg[1] == 'd' \|\| arg[1] == 'D') &&
	arg[2] == ':')
	{
	if (arg[3] == '*')
	new->flags \|= CONFIG_NOCLID;
	else
	{
	int len;
	arg += 3; /* dump id: */
	if (strchr(arg, ':'))
	len = parse_hex(arg, (unsigned char *)arg, -1, NULL, NULL);
	else
	{
	unhide_metas(arg);
	len = (int) strlen(arg);
	}

	if (len == -1)
	{
	dhcp_config_free(new);
	ret_err(_("bad hex constant"));
	}
	else if ((new->clid = opt_malloc(len)))
	{
	new->flags \|= CONFIG_CLID;
	new->clid_len = len;
	memcpy(new->clid, arg, len);
	}
	}
	}
	/* dhcp-host has strange backwards-compat needs. */
	else if (strstr(arg, "net:") == arg \|\| strstr(arg, "set:") == arg)
	{
	struct dhcp_netid_list *newlist = opt_malloc(sizeof(struct dhcp_netid_list));
	newlist->next = new->netid;
	new->netid = newlist;
	newlist->list = dhcp_netid_create(arg+4, NULL);
	}
	else if (strstr(arg, "tag:") == arg)
	new->filter = dhcp_netid_create(arg+4, new->filter);

if (!inet_pton(AF_INET6, arg, &new->addr6))	#ifdef HAVE_DHCP6
ret_err(_("bad IPv6 address"));	else if (arg[0] == '[' && arg[strlen(arg)-1] == ']')
	{
	char *pref;
	struct in6_addr in6;
	struct addrlist *new_addr;

	arg[strlen(arg)-1] = 0;
	arg++;
	pref = split_chr(arg, '/');

	if (!inet_pton(AF_INET6, arg, &in6))
	{
	dhcp_config_free(new);
	ret_err(_("bad IPv6 address"));
	}

for (i= 0; i < 8; i++)	new_addr = opt_malloc(sizeof(struct addrlist));
if (new->addr6.s6_addr[i] != 0)	new_addr->next = new->addr6;
break;	new_addr->flags = 0;
	new_addr->addr.addr6 = in6;
/* set WILDCARD if network part all zeros */	new->addr6 = new_addr;
if (i == 8)
new->flags \|= CONFIG_WILDCARD;	if (pref)
	{
	u64 addrpart = addr6part(&in6);

	if (!atoi_check(pref, &new_addr->prefixlen) \|\|
	new_addr->prefixlen > 128 \|\|
	((((u64)1<<(128-new_addr->prefixlen))-1) & addrpart) != 0)
	{
	dhcp_config_free(new);
	ret_err(_("bad IPv6 prefix"));
	}

	new_addr->flags \|= ADDRLIST_PREFIX;
	}

new->flags \|= CONFIG_ADDR6;	for (i= 0; i < 8; i++)
}	if (in6.s6_addr[i] != 0)
	break;

	/* set WILDCARD if network part all zeros */
	if (i == 8)
	new_addr->flags \|= ADDRLIST_WILDCARD;

	new->flags \|= CONFIG_ADDR6;
	}
#endif	#endif
else	else
{	{
struct hwaddr_config *newhw = opt_malloc(sizeof(struct hwaddr_config));	struct hwaddr_config *newhw = opt_malloc(sizeof(struct hwaddr_config));
if ((newhw->hwaddr_len = parse_hex(a[j], newhw->hwaddr, DHCP_CHADDR_MAX,	if ((newhw->hwaddr_len = parse_hex(arg, newhw->hwaddr, DHCP_CHADDR_MAX,
&newhw->wildcard_mask, &newhw->hwaddr_type)) == -1)	&newhw->wildcard_mask, &newhw->hwaddr_type)) == -1)
ret_err(_("bad hex constant"));	{
else	free(newhw);
	dhcp_config_free(new);
	ret_err(_("bad hex constant"));
	}
	else
	{
	newhw->next = new->hwaddr;
	new->hwaddr = newhw;
	}
	}
	}
	else if (strchr(arg, '.') && (inet_pton(AF_INET, arg, &in) > 0))
	{
	struct dhcp_config *configs;

	new->addr = in;
	new->flags \|= CONFIG_ADDR;

	/* If the same IP appears in more than one host config, then DISCOVER
	for one of the hosts will get the address, but REQUEST will be NAKed,
	since the address is reserved by the other one -> protocol loop. */
	for (configs = daemon->dhcp_conf; configs; configs = configs->next)
	if ((configs->flags & CONFIG_ADDR) && configs->addr.s_addr == in.s_addr)
{	{
	inet_ntop(AF_INET, &in, daemon->addrbuff, ADDRSTRLEN);
newhw->next = new->hwaddr;	sprintf(errstr, _("duplicate dhcp-host IP address %s"),
new->hwaddr = newhw;	daemon->addrbuff);
}	dhcp_config_free(new);
}	return 0;
}	}
else if (strchr(a[j], '.') && (inet_pton(AF_INET, a[j], &in) > 0))	}
{	else
struct dhcp_config *configs;	{
	char cp, lastp = NULL, last = 0;
new->addr = in;	int fac = 1, isdig = 0;
new->flags \|= CONFIG_ADDR;
	if (strlen(arg) > 1)
	{
	lastp = arg + strlen(arg) - 1;
	last = *lastp;
	switch (last)
	{
	case 'w':
	case 'W':
	fac *= 7;
	/* fall through */
	case 'd':
	case 'D':
	fac *= 24;
	/* fall through */
	case 'h':
	case 'H':
	fac *= 60;
	/* fall through */
	case 'm':
	case 'M':
	fac *= 60;
	/* fall through */
	case 's':
	case 'S':
	*lastp = 0;
	}
	}

	for (cp = arg; *cp; cp++)
	if (isdigit((unsigned char)*cp))
	isdig = 1;
	else if (*cp != ' ')
	break;

/* If the same IP appears in more than one host config, then DISCOVER	if (*cp)
for one of the hosts will get the address, but REQUEST will be NAKed,
since the address is reserved by the other one -> protocol loop. */
for (configs = daemon->dhcp_conf; configs; configs = configs->next)
if ((configs->flags & CONFIG_ADDR) && configs->addr.s_addr == in.s_addr)
{	{
sprintf(errstr, _("duplicate dhcp-host IP address %s"), inet_ntoa(in));	if (lastp)
return 0;	*lastp = last;
}	if (strcmp(arg, "infinite") == 0)
}	{
else	new->lease_time = 0xffffffff;
{	new->flags \|= CONFIG_TIME;
char cp, lastp = NULL, last = 0;	}
int fac = 1, isdig = 0;	else if (strcmp(arg, "ignore") == 0)
	new->flags \|= CONFIG_DISABLE;
if (strlen(a[j]) > 1)	else
{	{
lastp = a[j] + strlen(a[j]) - 1;	if (!(new->hostname = canonicalise_opt(arg)) \|\|
last = *lastp;	!legal_hostname(new->hostname))
switch (last)	{
{	dhcp_config_free(new);
case 'w':	ret_err(_("bad DHCP host name"));
case 'W':	}
fac *= 7;
/* fall through */	new->flags \|= CONFIG_NAME;
case 'd':	new->domain = strip_hostname(new->hostname);
case 'D':	}
fac *= 24;	}
/* fall through */	else if (isdig)
case 'h':	{
case 'H':	new->lease_time = atoi(arg) * fac;
fac *= 60;	/* Leases of a minute or less confuse
/* fall through */	some clients, notably Apple's */
case 'm':	if (new->lease_time < 120)
case 'M':	new->lease_time = 120;
fac *= 60;	new->flags \|= CONFIG_TIME;
/* fall through */	}
case 's':	}
case 'S':
*lastp = 0;
}
}

for (cp = a[j]; *cp; cp++)
if (isdigit((unsigned char)*cp))
isdig = 1;
else if (*cp != ' ')
break;

if (*cp)	arg = comma;
{	}
if (lastp)
*lastp = last;
if (strcmp(a[j], "infinite") == 0)
{
new->lease_time = 0xffffffff;
new->flags \|= CONFIG_TIME;
}
else if (strcmp(a[j], "ignore") == 0)
new->flags \|= CONFIG_DISABLE;
else
{
if (!(new->hostname = canonicalise_opt(a[j])) \|\|
!legal_hostname(new->hostname))
ret_err(_("bad DHCP host name"));

new->flags \|= CONFIG_NAME;
new->domain = strip_hostname(new->hostname);
}
}
else if (isdig)
{
new->lease_time = atoi(a[j]) * fac;
/* Leases of a minute or less confuse
some clients, notably Apple's */
if (new->lease_time < 120)
new->lease_time = 120;
new->flags \|= CONFIG_TIME;
}
}

daemon->dhcp_conf = new;	daemon->dhcp_conf = new;
break;	break;
}	}

case LOPT_TAG_IF: /* --tag-if */	case LOPT_TAG_IF: /* --tag-if */
{	{
struct tag_if *new = opt_malloc(sizeof(struct tag_if));	struct tag_if *new = opt_malloc(sizeof(struct tag_if));
Line 2928 static int one_opt(int option, char arg, char errstr	Line 4119 static int one_opt(int option, char arg, char errstr
}	}
else	else
{	{
struct dhcp_netid *newtag = opt_malloc(sizeof(struct dhcp_netid));	struct dhcp_netid *newtag = dhcp_netid_create(arg+4, NULL);
newtag->net = opt_malloc(len - 3);
strcpy(newtag->net, arg+4);
unhide_metas(newtag->net);

if (strstr(arg, "set:") == arg)	if (strstr(arg, "set:") == arg)
{	{
Line 2948 static int one_opt(int option, char arg, char errstr	Line 4136 static int one_opt(int option, char arg, char errstr
else	else
{	{
new->set = NULL;	new->set = NULL;
free(newtag);	dhcp_netid_free(newtag);
break;	break;
}	}
}	}
Line 2957 static int one_opt(int option, char arg, char errstr	Line 4145 static int one_opt(int option, char arg, char errstr
}	}

if (!new->set)	if (!new->set)
ret_err(_("bad tag-if"));	{
	dhcp_netid_free(new->tag);
	dhcp_netid_list_free(new->set);
	ret_err_free(_("bad tag-if"), new);
	}

break;	break;
}	}
Line 2971 static int one_opt(int option, char arg, char errstr	Line 4163 static int one_opt(int option, char arg, char errstr
option == LOPT_FORCE ? DHOPT_FORCE :	option == LOPT_FORCE ? DHOPT_FORCE :
(option == LOPT_MATCH ? DHOPT_MATCH :	(option == LOPT_MATCH ? DHOPT_MATCH :
(option == LOPT_OPTS ? DHOPT_BANK : 0)));	(option == LOPT_OPTS ? DHOPT_BANK : 0)));

case 'M': /* --dhcp-boot */	case LOPT_NAME_MATCH: /* --dhcp-name-match */
{	{
struct dhcp_netid *id = NULL;	struct dhcp_match_name *new;
while (is_tag_prefix(arg))	ssize_t len;

	if (!(comma = split(arg)) \|\| (len = strlen(comma)) == 0)
	ret_err(gen_err);

	new = opt_malloc(sizeof(struct dhcp_match_name));
	new->wildcard = 0;
	new->netid = opt_malloc(sizeof(struct dhcp_netid));
	new->netid->net = opt_string_alloc(set_prefix(arg));

	if (comma[len-1] == '*')
{	{
struct dhcp_netid *newid = opt_malloc(sizeof(struct dhcp_netid));	comma[len-1] = 0;
newid->next = id;	new->wildcard = 1;
id = newid;	}
comma = split(arg);	new->name = opt_string_alloc(comma);
newid->net = opt_string_alloc(arg+4);
arg = comma;	new->next = daemon->dhcp_name_match;
};	daemon->dhcp_name_match = new;

	break;
	}

	case 'M': /* --dhcp-boot */
	{
	struct dhcp_netid *id = dhcp_tags(&arg);

if (!arg)	if (!arg)
ret_err(gen_err);	{
	ret_err(gen_err);
	}
else	else
{	{
char dhcp_file, dhcp_sname = NULL, *tftp_sname = NULL;	char dhcp_file, dhcp_sname = NULL, *tftp_sname = NULL;
Line 3030 static int one_opt(int option, char arg, char errstr	Line 4241 static int one_opt(int option, char arg, char errstr
break;	break;
}	}

	case LOPT_REPLY_DELAY: /* --dhcp-reply-delay */
	{
	struct dhcp_netid *id = dhcp_tags(&arg);

	if (!arg)
	{
	ret_err(gen_err);
	}
	else
	{
	struct delay_config *new;
	int delay;
	if (!atoi_check(arg, &delay))
	ret_err(gen_err);

	new = opt_malloc(sizeof(struct delay_config));
	new->delay = delay;
	new->netid = id;
	new->next = daemon->delay_conf;
	daemon->delay_conf = new;
	}

	break;
	}

case LOPT_PXE_PROMT: /* --pxe-prompt */	case LOPT_PXE_PROMT: /* --pxe-prompt */
{	{
struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt));	struct dhcp_opt *new = opt_malloc(sizeof(struct dhcp_opt));
int timeout;	int timeout;

new->netid = NULL;	new->netid = NULL;
new->opt = 10; /* PXE_MENU_PROMPT */	new->opt = 10; /* PXE_MENU_PROMPT */
	new->netid = dhcp_tags(&arg);
while (is_tag_prefix(arg))
{
struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid));
comma = split(arg);
nn->next = new->netid;
new->netid = nn;
nn->net = opt_string_alloc(arg+4);
arg = comma;
}

if (!arg)	if (!arg)
ret_err(gen_err);	{
	dhcp_opt_free(new);
	ret_err(gen_err);
	}
else	else
{	{
comma = split(arg);	comma = split(arg);
Line 3058 static int one_opt(int option, char arg, char errstr	Line 4288 static int one_opt(int option, char arg, char errstr
new->val = opt_malloc(new->len);	new->val = opt_malloc(new->len);
memcpy(new->val + 1, arg, new->len - 1);	memcpy(new->val + 1, arg, new->len - 1);

new->u.vendor_class = (unsigned char *)"PXEClient";	new->u.vendor_class = NULL;
new->flags = DHOPT_VENDOR;	new->flags = DHOPT_VENDOR \| DHOPT_VENDOR_PXE;

if (comma && atoi_check(comma, &timeout))	if (comma && atoi_check(comma, &timeout))
*(new->val) = timeout;	*(new->val) = timeout;
Line 3078 static int one_opt(int option, char arg, char errstr	Line 4308 static int one_opt(int option, char arg, char errstr
{	{
struct pxe_service *new = opt_malloc(sizeof(struct pxe_service));	struct pxe_service *new = opt_malloc(sizeof(struct pxe_service));
char *CSA[] = { "x86PC", "PC98", "IA64_EFI", "Alpha", "Arc_x86", "Intel_Lean_Client",	char *CSA[] = { "x86PC", "PC98", "IA64_EFI", "Alpha", "Arc_x86", "Intel_Lean_Client",
"IA32_EFI", "BC_EFI", "Xscale_EFI", "x86-64_EFI", NULL };	"IA32_EFI", "x86-64_EFI", "Xscale_EFI", "BC_EFI",
	"ARM32_EFI", "ARM64_EFI", NULL };
static int boottype = 32768;	static int boottype = 32768;

new->netid = NULL;	new->netid = NULL;
new->sname = NULL;	new->sname = NULL;
new->server.s_addr = 0;	new->server.s_addr = 0;
	new->netid = dhcp_tags(&arg);

while (is_tag_prefix(arg))
{
struct dhcp_netid *nn = opt_malloc(sizeof (struct dhcp_netid));
comma = split(arg);
nn->next = new->netid;
new->netid = nn;
nn->net = opt_string_alloc(arg+4);
arg = comma;
}

if (arg && (comma = split(arg)))	if (arg && (comma = split(arg)))
{	{
for (i = 0; CSA[i]; i++)	for (i = 0; CSA[i]; i++)
Line 3157 static int one_opt(int option, char arg, char errstr	Line 4379 static int one_opt(int option, char arg, char errstr
}	}
}	}

	dhcp_netid_free(new->netid);
	free(new);
ret_err(gen_err);	ret_err(gen_err);
}	}

Line 3171 static int one_opt(int option, char arg, char errstr	Line 4395 static int one_opt(int option, char arg, char errstr
unhide_metas(comma);	unhide_metas(comma);
new->hwaddr_len = parse_hex(comma, new->hwaddr, DHCP_CHADDR_MAX, &new->mask, &new->hwaddr_type);	new->hwaddr_len = parse_hex(comma, new->hwaddr, DHCP_CHADDR_MAX, &new->mask, &new->hwaddr_type);
if (new->hwaddr_len == -1)	if (new->hwaddr_len == -1)
ret_err(gen_err);	{
	free(new->netid.net);
	ret_err_free(gen_err, new);
	}
else	else
{	{
new->next = daemon->dhcp_macs;	new->next = daemon->dhcp_macs;
Line 3181 static int one_opt(int option, char arg, char errstr	Line 4408 static int one_opt(int option, char arg, char errstr
}	}
break;	break;

#ifdef OPTION6_PREFIX_CLASS
case LOPT_PREF_CLSS: /* --dhcp-prefix-class */
{
struct prefix_class *new = opt_malloc(sizeof(struct prefix_class));

if (!(comma = split(arg)) \|\|
!atoi_check16(comma, &new->class))
ret_err(gen_err);

new->tag.net = opt_string_alloc(set_prefix(arg));
new->next = daemon->prefix_classes;
daemon->prefix_classes = new;

break;
}
#endif


case 'U': /* --dhcp-vendorclass */	case 'U': /* --dhcp-vendorclass */
case 'j': /* --dhcp-userclass */	case 'j': /* --dhcp-userclass */
case LOPT_CIRCUIT: /* --dhcp-circuitid */	case LOPT_CIRCUIT: /* --dhcp-circuitid */
Line 3206 static int one_opt(int option, char arg, char errstr	Line 4415 static int one_opt(int option, char arg, char errstr
case LOPT_SUBSCR: /* --dhcp-subscrid */	case LOPT_SUBSCR: /* --dhcp-subscrid */
{	{
unsigned char *p;	unsigned char *p;
int dig = 0;	int dig, colon;
struct dhcp_vendor *new = opt_malloc(sizeof(struct dhcp_vendor));	struct dhcp_vendor *new = opt_malloc(sizeof(struct dhcp_vendor));

if (!(comma = split(arg)))	if (!(comma = split(arg)))
ret_err(gen_err);	ret_err_free(gen_err, new);

new->netid.net = opt_string_alloc(set_prefix(arg));	new->netid.net = opt_string_alloc(set_prefix(arg));
/* check for hex string - must digits may include : must not have nothing else,	/* check for hex string - must digits may include : must not have nothing else,
Line 3220 static int one_opt(int option, char arg, char errstr	Line 4429 static int one_opt(int option, char arg, char errstr
if ((comma = split(arg)))	if ((comma = split(arg)))
{	{
if (option != 'U' \|\| strstr(arg, "enterprise:") != arg)	if (option != 'U' \|\| strstr(arg, "enterprise:") != arg)
ret_err(gen_err);	{
	free(new->netid.net);
	ret_err_free(gen_err, new);
	}
else	else
new->enterprise = atoi(arg+11);	new->enterprise = atoi(arg+11);
}	}
else	else
comma = arg;	comma = arg;

for (p = (unsigned char )comma; p; p++)	for (dig = 0, colon = 0, p = (unsigned char )comma; p; p++)
if (isxdigit(*p))	if (isxdigit(*p))
dig = 1;	dig = 1;
else if (*p != ':')	else if (*p == ':')
	colon = 1;
	else
break;	break;

unhide_metas(comma);	unhide_metas(comma);
if (option == 'U' \|\| option == 'j' \|\| *p \|\| !dig)	if (option == 'U' \|\| option == 'j' \|\| *p \|\| !dig \|\| !colon)
{	{
new->len = strlen(comma);	new->len = strlen(comma);
new->data = opt_malloc(new->len);	new->data = opt_malloc(new->len);
Line 3322 static int one_opt(int option, char arg, char errstr	Line 4537 static int one_opt(int option, char arg, char errstr
}	}

while (arg) {	while (arg) {
struct dhcp_netid *member = opt_malloc(sizeof(struct dhcp_netid));
comma = split(arg);	comma = split(arg);
member->next = list;	list = dhcp_netid_create(is_tag_prefix(arg) ? arg+4 :arg, list);
list = member;
if (is_tag_prefix(arg))
member->net = opt_string_alloc(arg+4);
else
member->net = opt_string_alloc(arg);
arg = comma;	arg = comma;
}	}

Line 3343 static int one_opt(int option, char arg, char errstr	Line 4552 static int one_opt(int option, char arg, char errstr
struct addr_list *new = opt_malloc(sizeof(struct addr_list));	struct addr_list *new = opt_malloc(sizeof(struct addr_list));
comma = split(arg);	comma = split(arg);
if (!(inet_pton(AF_INET, arg, &new->addr) > 0))	if (!(inet_pton(AF_INET, arg, &new->addr) > 0))
ret_err(_("bad dhcp-proxy address"));	ret_err_free(_("bad dhcp-proxy address"), new);
new->next = daemon->override_relays;	new->next = daemon->override_relays;
daemon->override_relays = new;	daemon->override_relays = new;
arg = comma;	arg = comma;
	}
	break;

	case LOPT_PXE_VENDOR: /* --dhcp-pxe-vendor */
	{
	while (arg) {
	struct dhcp_pxe_vendor *new = opt_malloc(sizeof(struct dhcp_pxe_vendor));
	comma = split(arg);
	new->data = opt_string_alloc(arg);
	new->next = daemon->dhcp_pxe_vendors;
	daemon->dhcp_pxe_vendors = new;
	arg = comma;
	}
}	}
break;	break;

case LOPT_RELAY: /* --dhcp-relay */	case LOPT_RELAY: /* --dhcp-relay */
{	{
struct dhcp_relay *new = opt_malloc(sizeof(struct dhcp_relay));	struct dhcp_relay *new = opt_malloc(sizeof(struct dhcp_relay));
comma = split(arg);	char *two = split(arg);
new->interface = opt_string_alloc(split(comma));	char *three = split(two);

new->iface_index = 0;	new->iface_index = 0;
if (inet_pton(AF_INET, arg, &new->local) && inet_pton(AF_INET, comma, &new->server))
	if (two)
{	{
new->next = daemon->relay4;	if (inet_pton(AF_INET, arg, &new->local))
daemon->relay4 = new;	{
}	char *hash = split_chr(two, '#');

	if (!hash \|\| !atoi_check16(hash, &new->port))
	new->port = DHCP_SERVER_PORT;

	if (!inet_pton(AF_INET, two, &new->server))
	{
	new->server.addr4.s_addr = 0;

	/* Fail for three arg version where there are not two addresses.
	Also fail when broadcasting to wildcard address. */
	if (three \|\| strchr(two, '*'))
	two = NULL;
	else
	three = two;
	}

	new->next = daemon->relay4;
	daemon->relay4 = new;
	}
#ifdef HAVE_DHCP6	#ifdef HAVE_DHCP6
else if (inet_pton(AF_INET6, arg, &new->local) && inet_pton(AF_INET6, comma, &new->server))	else if (inet_pton(AF_INET6, arg, &new->local))
	{
	char *hash = split_chr(two, '#');

	if (!hash \|\| !atoi_check16(hash, &new->port))
	new->port = DHCPV6_SERVER_PORT;

	if (!inet_pton(AF_INET6, two, &new->server))
	{
	inet_pton(AF_INET6, ALL_SERVERS, &new->server.addr6);
	/* Fail for three arg version where there are not two addresses.
	Also fail when multicasting to wildcard address. */
	if (three \|\| strchr(two, '*'))
	two = NULL;
	else
	three = two;
	}
	new->next = daemon->relay6;
	daemon->relay6 = new;
	}
	#endif

	new->interface = opt_string_alloc(three);
	}

	if (!two)
{	{
new->next = daemon->relay6;	free(new->interface);
daemon->relay6 = new;	ret_err_free(_("Bad dhcp-relay"), new);
}	}
#endif
else
ret_err(_("Bad dhcp-relay"));

break;	break;
}	}
Line 3383 static int one_opt(int option, char arg, char errstr	Line 4648 static int one_opt(int option, char arg, char errstr
struct ra_interface *new = opt_malloc(sizeof(struct ra_interface));	struct ra_interface *new = opt_malloc(sizeof(struct ra_interface));
new->lifetime = -1;	new->lifetime = -1;
new->prio = 0;	new->prio = 0;
	new->mtu = 0;
	new->mtu_name = NULL;
new->name = opt_string_alloc(arg);	new->name = opt_string_alloc(arg);
	if (strcasestr(comma, "mtu:") == comma)
	{
	arg = comma + 4;
	if (!(comma = split(comma)))
	goto err;
	if (!strcasecmp(arg, "off"))
	new->mtu = -1;
	else if (!atoi_check(arg, &new->mtu))
	new->mtu_name = opt_string_alloc(arg);
	else if (new->mtu < 1280)
	goto err;
	}
if (strcasestr(comma, "high") == comma \|\| strcasestr(comma, "low") == comma)	if (strcasestr(comma, "high") == comma \|\| strcasestr(comma, "low") == comma)
{	{
if (comma == 'l' \|\| comma == 'L')	if (comma == 'l' \|\| comma == 'L')
Line 3395 static int one_opt(int option, char arg, char errstr	Line 4674 static int one_opt(int option, char arg, char errstr
arg = split(comma);	arg = split(comma);
if (!atoi_check(comma, &new->interval) \|\|	if (!atoi_check(comma, &new->interval) \|\|
(arg && !atoi_check(arg, &new->lifetime)))	(arg && !atoi_check(arg, &new->lifetime)))
ret_err(_("bad RA-params"));	{
	err:
	free(new->name);
	ret_err_free(_("bad RA-params"), new);
	}

new->next = daemon->ra_interfaces;	new->next = daemon->ra_interfaces;
daemon->ra_interfaces = new;	daemon->ra_interfaces = new;
Line 3436 static int one_opt(int option, char arg, char errstr	Line 4719 static int one_opt(int option, char arg, char errstr

if ((k < 2) \|\|	if ((k < 2) \|\|
(!(inet_pton(AF_INET, a[0], &new->in) > 0)) \|\|	(!(inet_pton(AF_INET, a[0], &new->in) > 0)) \|\|
(!(inet_pton(AF_INET, a[1], &new->out) > 0)))	(!(inet_pton(AF_INET, a[1], &new->out) > 0)) \|\|
option = '?';	(k == 3 && !inet_pton(AF_INET, a[2], &new->mask)))
	ret_err(_("missing address in alias"));

if (k == 3)
inet_pton(AF_INET, a[2], &new->mask);

if (dash &&	if (dash &&
(!(inet_pton(AF_INET, dash, &new->end) > 0) \|\|	(!(inet_pton(AF_INET, dash, &new->end) > 0) \|\|
!is_same_net(new->in, new->end, new->mask) \|\|	!is_same_net(new->in, new->end, new->mask) \|\|
ntohl(new->in.s_addr) > ntohl(new->end.s_addr)))	ntohl(new->in.s_addr) > ntohl(new->end.s_addr)))
ret_err(_("invalid alias range"));	ret_err_free(_("invalid alias range"), new);

break;	break;
}	}

case LOPT_INTNAME: /* --interface-name */	case LOPT_INTNAME: /* --interface-name */
	case LOPT_DYNHOST: /* --dynamic-host */
{	{
struct interface_name new, *up;	struct interface_name new, *up;
char *domain = NULL;	char *domain = arg;

comma = split(arg);

if (!comma \|\| !(domain = canonicalise_opt(arg)))	arg = split(arg);
ret_err(_("bad interface name"));

new = opt_malloc(sizeof(struct interface_name));	new = opt_malloc(sizeof(struct interface_name));
new->next = NULL;	memset(new, 0, sizeof(struct interface_name));
new->addr = NULL;	new->flags = IN4 \| IN6;

/* Add to the end of the list, so that first name	/* Add to the end of the list, so that first name
of an interface is used for PTR lookups. */	of an interface is used for PTR lookups. */
for (up = &daemon->int_names; up; up = &((up)->next));	for (up = &daemon->int_names; up; up = &((up)->next));
*up = new;	*up = new;
new->name = domain;
new->family = 0;	while ((comma = split(arg)))
arg = split_chr(comma, '/');
if (arg)
{	{
if (strcmp(arg, "4") == 0)	if (inet_pton(AF_INET, arg, &new->proto4))
new->family = AF_INET;	new->flags \|= INP4;
#ifdef HAVE_IPV6	else if (inet_pton(AF_INET6, arg, &new->proto6))
else if (strcmp(arg, "6") == 0)	new->flags \|= INP6;
new->family = AF_INET6;
#endif
else	else
ret_err(gen_err);	break;
}
new->intr = opt_string_alloc(comma);	arg = comma;
	}

	if ((comma = split_chr(arg, '/')))
	{
	if (strcmp(comma, "4") == 0)
	new->flags &= ~IN6;
	else if (strcmp(comma, "6") == 0)
	new->flags &= ~IN4;
	else
	ret_err_free(gen_err, new);
	}

	new->intr = opt_string_alloc(arg);

	if (option == LOPT_DYNHOST)
	{
	if (!(new->flags & (INP4 \| INP6)))
	ret_err(_("missing address in dynamic host"));

	if (!(new->flags & IN4) \|\| !(new->flags & IN6))
	arg = NULL; /* provoke error below */

	new->flags &= ~(IN4 \| IN6);
	}
	else
	{
	if (new->flags & (INP4 \| INP6))
	arg = NULL; /* provoke error below */
	}

	if (!domain \|\| !arg \|\| !(new->name = canonicalise_opt(domain)))
	ret_err(option == LOPT_DYNHOST ?
	_("bad dynamic host") : _("bad interface name"));

break;	break;
}	}

case LOPT_CNAME: /* --cname */	case LOPT_CNAME: /* --cname */
{	{
struct cname *new;	struct cname *new;
char *alias;	char alias, target=NULL, last, pen;
char *target;	int ttl = -1;

if (!(comma = split(arg)))	for (last = pen = NULL, comma = arg; comma; comma = split(comma))
ret_err(gen_err);	{
	pen = last;
alias = canonicalise_opt(arg);	last = comma;
target = canonicalise_opt(comma);	}

if (!alias \|\| !target)	if (!pen)
ret_err(_("bad CNAME"));	ret_err(_("bad CNAME"));
else
	if (pen != arg && atoi_check(last, &ttl))
	last = pen;

	while (arg != last)
{	{
	int arglen = strlen(arg);
	alias = canonicalise_opt(arg);

	if (!target)
	target = canonicalise_opt(last);
	if (!alias \|\| !target)
	{
	free(target);
	free(alias);
	ret_err(_("bad CNAME"));
	}

for (new = daemon->cnames; new; new = new->next)	for (new = daemon->cnames; new; new = new->next)
if (hostname_isequal(new->alias, arg))	if (hostname_isequal(new->alias, alias))
ret_err(_("duplicate CNAME"));	{
	free(target);
	free(alias);
	ret_err(_("duplicate CNAME"));
	}
new = opt_malloc(sizeof(struct cname));	new = opt_malloc(sizeof(struct cname));
new->next = daemon->cnames;	new->next = daemon->cnames;
daemon->cnames = new;	daemon->cnames = new;
new->alias = alias;	new->alias = alias;
new->target = target;	new->target = target;
	new->ttl = ttl;

	for (arg += arglen+1; arg && isspace((unsigned char)arg); arg++);
}	}

break;	break;
Line 3525 static int one_opt(int option, char arg, char errstr	Line 4857 static int one_opt(int option, char arg, char errstr

if (!(dom = canonicalise_opt(arg)) \|\|	if (!(dom = canonicalise_opt(arg)) \|\|
(comma && !(target = canonicalise_opt(comma))))	(comma && !(target = canonicalise_opt(comma))))
ret_err(_("bad PTR record"));	{
	free(dom);
	free(target);
	ret_err(_("bad PTR record"));
	}
else	else
{	{
new = opt_malloc(sizeof(struct ptr_record));	new = opt_malloc(sizeof(struct ptr_record));
Line 3543 static int one_opt(int option, char arg, char errstr	Line 4879 static int one_opt(int option, char arg, char errstr
int k = 0;	int k = 0;
struct naptr *new;	struct naptr *new;
int order, pref;	int order, pref;
char name, replace = NULL;	char name=NULL, replace = NULL;

if ((a[0] = arg))	if ((a[0] = arg))
for (k = 1; k < 7; k++)	for (k = 1; k < 7; k++)
Line 3556 static int one_opt(int option, char arg, char errstr	Line 4892 static int one_opt(int option, char arg, char errstr
!atoi_check16(a[1], &order) \|\|	!atoi_check16(a[1], &order) \|\|
!atoi_check16(a[2], &pref) \|\|	!atoi_check16(a[2], &pref) \|\|
(k == 7 && !(replace = canonicalise_opt(a[6]))))	(k == 7 && !(replace = canonicalise_opt(a[6]))))
ret_err(_("bad NAPTR record"));	{
	free(name);
	free(replace);
	ret_err(_("bad NAPTR record"));
	}
else	else
{	{
new = opt_malloc(sizeof(struct naptr));	new = opt_malloc(sizeof(struct naptr));
Line 3576 static int one_opt(int option, char arg, char errstr	Line 4916 static int one_opt(int option, char arg, char errstr
case LOPT_RR: /* dns-rr */	case LOPT_RR: /* dns-rr */
{	{
struct txt_record *new;	struct txt_record *new;
size_t len = len;	size_t len = 0;
char *data;	char *data;
int val;	int class;

comma = split(arg);	comma = split(arg);
data = split(comma);	data = split(comma);

new = opt_malloc(sizeof(struct txt_record));	new = opt_malloc(sizeof(struct txt_record));
new->next = daemon->rr;	new->name = NULL;
daemon->rr = new;

if (!atoi_check(comma, &val) \|\|	if (!atoi_check(comma, &class) \|\|
!(new->name = canonicalise_opt(arg)) \|\|	!(new->name = canonicalise_opt(arg)) \|\|
(data && (len = parse_hex(data, (unsigned char *)data, -1, NULL, NULL)) == -1U))	(data && (len = parse_hex(data, (unsigned char *)data, -1, NULL, NULL)) == -1U))
ret_err(_("bad RR record"));	{
	free(new->name);
new->class = val;	ret_err_free(_("bad RR record"), new);
	}

new->len = 0;	new->len = 0;
	new->class = class;
	new->next = daemon->rr;
	daemon->rr = new;

if (data)	if (data)
{	{
new->txt=opt_malloc(len);	new->txt = opt_malloc(len);
new->len = len;	new->len = len;
memcpy(new->txt, data, len);	memcpy(new->txt, data, len);
}	}
Line 3605 static int one_opt(int option, char arg, char errstr	Line 4949 static int one_opt(int option, char arg, char errstr
break;	break;
}	}

	case LOPT_CAA: /* --caa-record */
	{
	struct txt_record *new;
	char tag, value;
	int flags;

	comma = split(arg);
	tag = split(comma);
	value = split(tag);

	new = opt_malloc(sizeof(struct txt_record));
	new->next = daemon->rr;
	daemon->rr = new;

	if (!atoi_check(comma, &flags) \|\| !tag \|\| !value \|\| !(new->name = canonicalise_opt(arg)))
	ret_err(_("bad CAA record"));

	unhide_metas(tag);
	unhide_metas(value);

	new->len = strlen(tag) + strlen(value) + 2;
	new->txt = opt_malloc(new->len);
	new->txt[0] = flags;
	new->txt[1] = strlen(tag);
	memcpy(&new->txt[2], tag, strlen(tag));
	memcpy(&new->txt[2 + strlen(tag)], value, strlen(value));
	new->class = T_CAA;

	break;
	}

case 'Y': /* --txt-record */	case 'Y': /* --txt-record */
{	{
struct txt_record *new;	struct txt_record *new;
Line 3614 static int one_opt(int option, char arg, char errstr	Line 4989 static int one_opt(int option, char arg, char errstr
comma = split(arg);	comma = split(arg);

new = opt_malloc(sizeof(struct txt_record));	new = opt_malloc(sizeof(struct txt_record));
new->next = daemon->txt;
daemon->txt = new;
new->class = C_IN;	new->class = C_IN;
new->stat = 0;	new->stat = 0;

if (!(new->name = canonicalise_opt(arg)))	if (!(new->name = canonicalise_opt(arg)))
ret_err(_("bad TXT record"));	ret_err_free(_("bad TXT record"), new);

	new->next = daemon->txt;
	daemon->txt = new;
len = comma ? strlen(comma) : 0;	len = comma ? strlen(comma) : 0;
len += (len/255) + 1; /* room for extra counts */	len += (len/255) + 1; /* room for extra counts */
new->txt = p = opt_malloc(len);	new->txt = p = opt_malloc(len);
Line 3668 static int one_opt(int option, char arg, char errstr	Line 5043 static int one_opt(int option, char arg, char errstr
arg = comma;	arg = comma;
comma = split(arg);	comma = split(arg);
if (!(target = canonicalise_opt(arg)))	if (!(target = canonicalise_opt(arg)))
ret_err(_("bad SRV target"));	ret_err_free(_("bad SRV target"), name);

if (comma)	if (comma)
{	{
arg = comma;	arg = comma;
comma = split(arg);	comma = split(arg);
if (!atoi_check16(arg, &port))	if (!atoi_check16(arg, &port))
ret_err(_("invalid port number"));	{
	free(name);
	ret_err_free(_("invalid port number"), target);
	}

if (comma)	if (comma)
{	{
arg = comma;	arg = comma;
comma = split(arg);	comma = split(arg);
if (!atoi_check16(arg, &priority))	if (!atoi_check16(arg, &priority))
ret_err(_("invalid priority"));	{
	free(name);
if (comma)	ret_err_free(_("invalid priority"), target);
{
arg = comma;
comma = split(arg);
if (!atoi_check16(arg, &weight))
ret_err(_("invalid weight"));
}	}
	if (comma && !atoi_check16(comma, &weight))
	{
	free(name);
	ret_err_free(_("invalid weight"), target);
	}
}	}
}	}
}	}
Line 3709 static int one_opt(int option, char arg, char errstr	Line 5087 static int one_opt(int option, char arg, char errstr

case LOPT_HOST_REC: /* --host-record */	case LOPT_HOST_REC: /* --host-record */
{	{
struct host_record *new = opt_malloc(sizeof(struct host_record));	struct host_record *new;
memset(new, 0, sizeof(struct host_record));

if (!arg \|\| !(comma = split(arg)))	if (!arg \|\| !(comma = split(arg)))
ret_err(_("Bad host-record"));	ret_err(_("Bad host-record"));

	new = opt_malloc(sizeof(struct host_record));
	memset(new, 0, sizeof(struct host_record));
	new->ttl = -1;
	new->flags = 0;

while (arg)	while (arg)
{	{
struct all_addr addr;	union all_addr addr;
if (inet_pton(AF_INET, arg, &addr))	char *dig;
new->addr = addr.addr.addr4;
#ifdef HAVE_IPV6	for (dig = arg; *dig != 0; dig++)
else if (inet_pton(AF_INET6, arg, &addr))	if (dig < '0' \|\| dig > '9')
new->addr6 = addr.addr.addr6;	break;
#endif	if (*dig == 0)
	new->ttl = atoi(arg);
	else if (inet_pton(AF_INET, arg, &addr.addr4))
	{
	new->addr = addr.addr4;
	new->flags \|= HR_4;
	}
	else if (inet_pton(AF_INET6, arg, &addr.addr6))
	{
	new->addr6 = addr.addr6;
	new->flags \|= HR_6;
	}
else	else
{	{
int nomem;	char *canon = canonicalise_opt(arg);
char *canon = canonicalise(arg, &nomem);	struct name_list *nl;
struct name_list *nl = opt_malloc(sizeof(struct name_list));
if (!canon)	if (!canon)
ret_err(_("Bad name in host-record"));	{
	struct name_list tmp, next;
	for (tmp = new->names; tmp; tmp = next)
	{
	next = tmp->next;
	free(tmp);
	}
	ret_err_free(_("Bad name in host-record"), new);
	}

	nl = opt_malloc(sizeof(struct name_list));
nl->name = canon;	nl->name = canon;
/* keep order, so that PTR record goes to first name */	/* keep order, so that PTR record goes to first name */
nl->next = NULL;	nl->next = NULL;
Line 3759 static int one_opt(int option, char arg, char errstr	Line 5160 static int one_opt(int option, char arg, char errstr
break;	break;
}	}

	case LOPT_STALE_CACHE:
	{
	int max_expiry = STALE_CACHE_EXPIRY;
	if (arg)
	{
	/* Don't accept negative TTLs here, they'd have the counter-intuitive
	side-effect of evicting cache records before they expire */
	if (!atoi_check(arg, &max_expiry) \|\| max_expiry < 0)
	ret_err(gen_err);
	/* Store "serve expired forever" as -1 internally, the option isn't
	active for daemon->cache_max_expiry == 0 */
	if (max_expiry == 0)
	max_expiry = -1;
	}
	daemon->cache_max_expiry = max_expiry;
	break;
	}

#ifdef HAVE_DNSSEC	#ifdef HAVE_DNSSEC
case LOPT_TRUST_ANCHOR:	case LOPT_DNSSEC_STAMP: /* --dnssec-timestamp */
	daemon->timestamp_file = opt_string_alloc(arg);
	break;

	case LOPT_DNSSEC_CHECK: /* --dnssec-check-unsigned */
	if (arg)
	{
	if (strcmp(arg, "no") == 0)
	set_option_bool(OPT_DNSSEC_IGN_NS);
	else
	ret_err(_("bad value for dnssec-check-unsigned"));
	}
	break;

	case LOPT_TRUST_ANCHOR: /* --trust-anchor */
{	{
struct ds_config *new = opt_malloc(sizeof(struct ds_config));	struct ds_config *new = opt_malloc(sizeof(struct ds_config));
char cp, cp1, keyhex, digest, *algo = NULL;	char cp, cp1, keyhex, digest, *algo = NULL;
int len;	int len;

new->class = C_IN;	new->class = C_IN;
	new->name = NULL;

if ((comma = split(arg)) && (algo = split(comma)))	if ((comma = split(arg)) && (algo = split(comma)))
{	{
Line 3791 static int one_opt(int option, char arg, char errstr	Line 5225 static int one_opt(int option, char arg, char errstr
!atoi_check8(algo, &new->algo) \|\|	!atoi_check8(algo, &new->algo) \|\|
!atoi_check8(digest, &new->digest_type) \|\|	!atoi_check8(digest, &new->digest_type) \|\|
!(new->name = canonicalise_opt(arg)))	!(new->name = canonicalise_opt(arg)))
ret_err(_("bad trust anchor"));	ret_err_free(_("bad trust anchor"), new);

/* Upper bound on length */	/* Upper bound on length */
len = (2*strlen(keyhex))+1;	len = (2*strlen(keyhex))+1;
Line 3799 static int one_opt(int option, char arg, char errstr	Line 5233 static int one_opt(int option, char arg, char errstr
unhide_metas(keyhex);	unhide_metas(keyhex);
/* 4034: "Whitespace is allowed within digits" */	/* 4034: "Whitespace is allowed within digits" */
for (cp = keyhex; *cp; )	for (cp = keyhex; *cp; )
if (isspace(*cp))	if (isspace((unsigned char)*cp))
for (cp1 = cp; *cp1; cp1++)	for (cp1 = cp; *cp1; cp1++)
cp1 = (cp1+1);	cp1 = (cp1+1);
else	else
cp++;	cp++;
if ((new->digestlen = parse_hex(keyhex, (unsigned char *)new->digest, len, NULL, NULL)) == -1)	if ((new->digestlen = parse_hex(keyhex, (unsigned char *)new->digest, len, NULL, NULL)) == -1)
ret_err(_("bad HEX in trust anchor"));	{
	free(new->name);
	ret_err_free(_("bad HEX in trust anchor"), new);
	}

new->next = daemon->ds;	new->next = daemon->ds;
daemon->ds = new;	daemon->ds = new;
Line 3822 static int one_opt(int option, char arg, char errstr	Line 5259 static int one_opt(int option, char arg, char errstr
return 1;	return 1;
}	}

static void read_file(char file, FILE f, int hard_opt)	static void read_file(char file, FILE f, int hard_opt, int from_script)
{	{
volatile int lineno = 0;	volatile int lineno = 0;
char *buff = daemon->namebuff;	char *buff = daemon->namebuff;
Line 3830 static void read_file(char file, FILE f, int hard_op	Line 5267 static void read_file(char file, FILE f, int hard_op
while (fgets(buff, MAXDNAME, f))	while (fgets(buff, MAXDNAME, f))
{	{
int white, i;	int white, i;
volatile int option = (hard_opt == LOPT_REV_SERV) ? 0 : hard_opt;	volatile int option;
char errmess, p, arg = NULL, start;	char errmess, p, arg, start;
size_t len;	size_t len;

	option = (hard_opt == LOPT_REV_SERV) ? 0 : hard_opt;

/* Memory allocation failure longjmps here if mem_recover == 1 */	/* Memory allocation failure longjmps here if mem_recover == 1 */
if (option != 0 \|\| hard_opt == LOPT_REV_SERV)	if (option != 0 \|\| hard_opt == LOPT_REV_SERV)
{	{
Line 3841 static void read_file(char file, FILE f, int hard_op	Line 5280 static void read_file(char file, FILE f, int hard_op
continue;	continue;
mem_recover = 1;	mem_recover = 1;
}	}

	arg = NULL;
lineno++;	lineno++;
errmess = NULL;	errmess = NULL;

Line 3881 static void read_file(char file, FILE f, int hard_op	Line 5321 static void read_file(char file, FILE f, int hard_op
memmove(p, p+1, strlen(p+1)+1);	memmove(p, p+1, strlen(p+1)+1);
}	}

if (isspace(*p))	if (isspace((unsigned char)*p))
{	{
*p = ' ';	*p = ' ';
white = 1;	white = 1;
Line 3944 static void read_file(char file, FILE f, int hard_op	Line 5384 static void read_file(char file, FILE f, int hard_op
if (errmess)	if (errmess)
strcpy(daemon->namebuff, errmess);	strcpy(daemon->namebuff, errmess);

if (errmess \|\| !one_opt(option, arg, buff, _("error"), 0, hard_opt == LOPT_REV_SERV))	if (errmess \|\| !one_opt(option, arg, daemon->namebuff, _("error"), 0, hard_opt == LOPT_REV_SERV))
{	{
sprintf(daemon->namebuff + strlen(daemon->namebuff), _(" at line %d of %s"), lineno, file);	if (from_script)
	sprintf(daemon->namebuff + strlen(daemon->namebuff), _(" in output from %s"), file);
	else
	sprintf(daemon->namebuff + strlen(daemon->namebuff), _(" at line %d of %s"), lineno, file);

if (hard_opt != 0)	if (hard_opt != 0)
my_syslog(LOG_ERR, "%s", daemon->namebuff);	my_syslog(LOG_ERR, "%s", daemon->namebuff);
else	else
Line 3955 static void read_file(char file, FILE f, int hard_op	Line 5399 static void read_file(char file, FILE f, int hard_op
}	}

mem_recover = 0;	mem_recover = 0;
fclose(f);
}	}

	#if defined(HAVE_DHCP) && defined(HAVE_INOTIFY)
	int option_read_dynfile(char *file, int flags)
	{
	my_syslog(MS_DHCP \| LOG_INFO, _("read %s"), file);

	if (flags & AH_DHCP_HST)
	return one_file(file, LOPT_BANK);
	else if (flags & AH_DHCP_OPT)
	return one_file(file, LOPT_OPTS);

	return 0;
	}
	#endif

static int one_file(char *file, int hard_opt)	static int one_file(char *file, int hard_opt)
{	{
FILE *f;	FILE *f;
int nofile_ok = 0;	int nofile_ok = 0, do_popen = 0;
static int read_stdin = 0;	static int read_stdin = 0;
static struct fileread {	static struct fileread {
dev_t dev;	dev_t dev;
Line 3969 static int one_file(char *file, int hard_opt)	Line 5426 static int one_file(char *file, int hard_opt)
struct fileread *next;	struct fileread *next;
} *filesread = NULL;	} *filesread = NULL;

if (hard_opt == '7')	if (hard_opt == LOPT_CONF_OPT)
{	{
/* default conf-file reading */	/* default conf-file reading */
hard_opt = 0;	hard_opt = 0;
nofile_ok = 1;	nofile_ok = 1;
}	}

if (hard_opt == 0 && strcmp(file, "-") == 0)	if (hard_opt == LOPT_CONF_SCRIPT)
	{
	hard_opt = 0;
	do_popen = 1;
	}

	if (hard_opt == 0 && !do_popen && strcmp(file, "-") == 0)
{	{
if (read_stdin == 1)	if (read_stdin == 1)
return 1;	return 1;
Line 4003 static int one_file(char *file, int hard_opt)	Line 5466 static int one_file(char *file, int hard_opt)
r->dev = statbuf.st_dev;	r->dev = statbuf.st_dev;
r->ino = statbuf.st_ino;	r->ino = statbuf.st_ino;
}	}

if (!(f = fopen(file, "r")))	if (do_popen)
	{
	if (!(f = popen(file, "r")))
	die(_("cannot execute %s: %s"), file, EC_FILE);
	}
	else if (!(f = fopen(file, "r")))
{	{
if (errno == ENOENT && nofile_ok)	if (errno == ENOENT && nofile_ok)
return 1; /* No conffile, all done. */	return 1; /* No conffile, all done. */
Line 4022 static int one_file(char *file, int hard_opt)	Line 5490 static int one_file(char *file, int hard_opt)
}	}
}	}

read_file(file, f, hard_opt);	read_file(file, f, hard_opt, do_popen);

	if (do_popen)
	{
	int rc;

	if ((rc = pclose(f)) == -1)
	die(_("error executing %s: %s"), file, EC_MISC);

	if (rc != 0)
	die(_("%s returns non-zero error code"), file, rc+10);
	}
	else
	fclose(f);

return 1;	return 1;
}	}

	static int file_filter(const struct dirent *ent)
	{
	size_t lenfile = strlen(ent->d_name);

	/* ignore emacs backups and dotfiles */

	if (lenfile == 0 \|\|
	ent->d_name[lenfile - 1] == '~' \|\|
	(ent->d_name[0] == '#' && ent->d_name[lenfile - 1] == '#') \|\|
	ent->d_name[0] == '.')
	return 0;

	return 1;
	}
/* expand any name which is a directory */	/* expand any name which is a directory */
struct hostsfile expand_filelist(struct hostsfile list)	struct hostsfile expand_filelist(struct hostsfile list)
{	{
unsigned int i;	unsigned int i;
struct hostsfile *ah;	int entcnt, n;
	struct hostsfile ah, last, next, *up;
	struct dirent **namelist;

/* find largest used index */	/* find largest used index */
for (i = SRC_AH, ah = list; ah; ah = ah->next)	for (i = SRC_AH, ah = list; ah; ah = ah->next)
{	{
	last = ah;

if (i <= ah->index)	if (i <= ah->index)
i = ah->index + 1;	i = ah->index + 1;

Line 4050 struct hostsfile expand_filelist(struct hostsfile li	Line 5550 struct hostsfile expand_filelist(struct hostsfile li
struct stat buf;	struct stat buf;
if (stat(ah->fname, &buf) != -1 && S_ISDIR(buf.st_mode))	if (stat(ah->fname, &buf) != -1 && S_ISDIR(buf.st_mode))
{	{
DIR *dir_stream;
struct dirent *ent;	struct dirent *ent;

/* don't read this as a file */	/* don't read this as a file */
ah->flags \|= AH_INACTIVE;	ah->flags \|= AH_INACTIVE;

if (!(dir_stream = opendir(ah->fname)))	entcnt = scandir(ah->fname, &namelist, file_filter, alphasort);
	if (entcnt < 0)
my_syslog(LOG_ERR, _("cannot access directory %s: %s"),	my_syslog(LOG_ERR, _("cannot access directory %s: %s"),
ah->fname, strerror(errno));	ah->fname, strerror(errno));
else	else
{	{
while ((ent = readdir(dir_stream)))	for (n = 0; n < entcnt; n++)
{	{
	ent = namelist[n];
size_t lendir = strlen(ah->fname);	size_t lendir = strlen(ah->fname);
size_t lenfile = strlen(ent->d_name);	size_t lenfile = strlen(ent->d_name);
struct hostsfile *ah1;	struct hostsfile *ah1;
char *path;	char *path;

/* ignore emacs backups and dotfiles */
if (lenfile == 0 \|\|
ent->d_name[lenfile - 1] == '~' \|\|
(ent->d_name[0] == '#' && ent->d_name[lenfile - 1] == '#') \|\|
ent->d_name[0] == '.')
continue;

/* see if we have an existing record.	/* see if we have an existing record.
dir is ah->fname	dir is ah->fname
file is ent->d_name	file is ent->d_name
path to match is ah1->fname */	path to match is ah1->fname */

for (ah1 = list; ah1; ah1 = ah1->next)	for (up = &list, ah1 = list; ah1; ah1 = next)
{	{
	next = ah1->next;

if (lendir < strlen(ah1->fname) &&	if (lendir < strlen(ah1->fname) &&
strstr(ah1->fname, ah->fname) == ah1->fname &&	strstr(ah1->fname, ah->fname) == ah1->fname &&
ah1->fname[lendir] == '/' &&	ah1->fname[lendir] == '/' &&
strcmp(ah1->fname + lendir + 1, ent->d_name) == 0)	strcmp(ah1->fname + lendir + 1, ent->d_name) == 0)
{	{
ah1->flags &= ~AH_INACTIVE;	ah1->flags &= ~AH_INACTIVE;
	/* If found, remove from list to re-insert at the end.
	Unless it's already at the end. */
	if (last != ah1)
	*up = next;
break;	break;
}	}

	up = &ah1->next;
}	}

/* make new record */	/* make new record */
Line 4110 struct hostsfile expand_filelist(struct hostsfile li	Line 5612 struct hostsfile expand_filelist(struct hostsfile li
ah1->fname = path;	ah1->fname = path;
ah1->index = i++;	ah1->index = i++;
ah1->flags = AH_DIR;	ah1->flags = AH_DIR;
ah1->next = list;
list = ah1;
}	}

	/* Edge case, may be the last in the list anyway */
	if (last != ah1)
	last->next = ah1;
	ah1->next = NULL;
	last = ah1;

/* inactivate record if not regular file */	/* inactivate record if not regular file */
if ((ah1->flags & AH_DIR) && stat(ah1->fname, &buf) != -1 && !S_ISREG(buf.st_mode))	if ((ah1->flags & AH_DIR) && stat(ah1->fname, &buf) != -1 && !S_ISREG(buf.st_mode))
ah1->flags \|= AH_INACTIVE;	ah1->flags \|= AH_INACTIVE;

}	}
closedir(dir_stream);
}	}
	free(namelist);
}	}
}	}

Line 4138 void read_servers_file(void)	Line 5644 void read_servers_file(void)
}	}

mark_servers(SERV_FROM_FILE);	mark_servers(SERV_FROM_FILE);
	read_file(daemon->servers_file, f, LOPT_REV_SERV, 0);
	fclose(f);
cleanup_servers();	cleanup_servers();
	check_servers(0);
read_file(daemon->servers_file, f, LOPT_REV_SERV);
}	}


#ifdef HAVE_DHCP	#ifdef HAVE_DHCP
void reread_dhcp(void)	static void clear_dynamic_conf(void)
{	{
struct hostsfile *hf;	struct dhcp_config configs, cp, **up;

if (daemon->dhcp_hosts_file)
{
struct dhcp_config configs, cp, **up;

/* remove existing... */	/* remove existing... */
for (up = &daemon->dhcp_conf, configs = daemon->dhcp_conf; configs; configs = cp)	for (up = &daemon->dhcp_conf, configs = daemon->dhcp_conf; configs; configs = cp)
	{
	cp = configs->next;

	if (configs->flags & CONFIG_BANK)
{	{
cp = configs->next;	*up = cp;
	dhcp_config_free(configs);
if (configs->flags & CONFIG_BANK)	}
{	else
struct hwaddr_config mac, tmp;	up = &configs->next;
struct dhcp_netid_list list, tmplist;	}
	}
for (mac = configs->hwaddr; mac; mac = tmp)
{
tmp = mac->next;
free(mac);
}

if (configs->flags & CONFIG_CLID)	static void clear_dynamic_opt(void)
free(configs->clid);	{
	struct dhcp_opt opts, cp, **up;

for (list = configs->netid; list; list = tmplist)	for (up = &daemon->dhcp_opts, opts = daemon->dhcp_opts; opts; opts = cp)
{	{
free(list->list);	cp = opts->next;
tmplist = list->next;
free(list);
}

if (configs->flags & CONFIG_NAME)
free(configs->hostname);

*up = configs->next;
free(configs);
}
else
up = &configs->next;
}

	if (opts->flags & DHOPT_BANK)
	{
	*up = cp;
	dhcp_opt_free(opts);
	}
	else
	up = &opts->next;
	}
	}

	void reread_dhcp(void)
	{
	struct hostsfile *hf;

	/* Do these even if there is no daemon->dhcp_hosts_file or
	daemon->dhcp_opts_file since entries may have been created by the
	inotify dynamic file reading system. */

	clear_dynamic_conf();
	clear_dynamic_opt();

	if (daemon->dhcp_hosts_file)
	{
daemon->dhcp_hosts_file = expand_filelist(daemon->dhcp_hosts_file);	daemon->dhcp_hosts_file = expand_filelist(daemon->dhcp_hosts_file);
for (hf = daemon->dhcp_hosts_file; hf; hf = hf->next)	for (hf = daemon->dhcp_hosts_file; hf; hf = hf->next)
if (!(hf->flags & AH_INACTIVE))	if (!(hf->flags & AH_INACTIVE))
{	{
if (one_file(hf->fname, LOPT_BANK))	if (one_file(hf->fname, LOPT_BANK))
my_syslog(MS_DHCP \| LOG_INFO, _("read %s"), hf->fname);	my_syslog(MS_DHCP \| LOG_INFO, _("read %s"), hf->fname);
}	}
}	}

if (daemon->dhcp_opts_file)	if (daemon->dhcp_opts_file)
{	{
struct dhcp_opt opts, cp, **up;
struct dhcp_netid id, next;

for (up = &daemon->dhcp_opts, opts = daemon->dhcp_opts; opts; opts = cp)
{
cp = opts->next;

if (opts->flags & DHOPT_BANK)
{
if ((opts->flags & DHOPT_VENDOR))
free(opts->u.vendor_class);
free(opts->val);
for (id = opts->netid; id; id = next)
{
next = id->next;
free(id->net);
free(id);
}
*up = opts->next;
free(opts);
}
else
up = &opts->next;
}

daemon->dhcp_opts_file = expand_filelist(daemon->dhcp_opts_file);	daemon->dhcp_opts_file = expand_filelist(daemon->dhcp_opts_file);
for (hf = daemon->dhcp_opts_file; hf; hf = hf->next)	for (hf = daemon->dhcp_opts_file; hf; hf = hf->next)
if (!(hf->flags & AH_INACTIVE))	if (!(hf->flags & AH_INACTIVE))
Line 4233 void reread_dhcp(void)	Line 5721 void reread_dhcp(void)
my_syslog(MS_DHCP \| LOG_INFO, _("read %s"), hf->fname);	my_syslog(MS_DHCP \| LOG_INFO, _("read %s"), hf->fname);
}	}
}	}

	# ifdef HAVE_INOTIFY
	/* Setup notify and read pre-existing files. */
	set_dynamic_inotify(AH_DHCP_HST \| AH_DHCP_OPT, 0, NULL, 0);
	# endif
}	}
#endif	#endif

void read_opts(int argc, char *argv, char compile_opts)	void read_opts(int argc, char *argv, char compile_opts)
{	{
	size_t argbuf_size = MAXDNAME;
	char *argbuf = opt_malloc(argbuf_size);
char *buff = opt_malloc(MAXDNAME);	char *buff = opt_malloc(MAXDNAME);
int option, conffile_opt = '7', testmode = 0;	int option, testmode = 0;
char arg, conffile = CONFFILE;	char arg, conffile = NULL;

opterr = 0;	opterr = 0;

daemon = opt_malloc(sizeof(struct daemon));	daemon = opt_malloc(sizeof(struct daemon));
memset(daemon, 0, sizeof(struct daemon));	memset(daemon, 0, sizeof(struct daemon));
daemon->namebuff = buff;	daemon->namebuff = buff;
	daemon->addrbuff = safe_malloc(ADDRSTRLEN);

/* Set defaults - everything else is zero or NULL */	/* Set defaults - everything else is zero or NULL */
daemon->cachesize = CACHESIZ;	daemon->cachesize = CACHESIZ;
daemon->ftabsize = FTABSIZ;	daemon->ftabsize = FTABSIZ;
Line 4267 void read_opts(int argc, char *argv, char compile_op	Line 5763 void read_opts(int argc, char *argv, char compile_op
daemon->soa_refresh = SOA_REFRESH;	daemon->soa_refresh = SOA_REFRESH;
daemon->soa_retry = SOA_RETRY;	daemon->soa_retry = SOA_RETRY;
daemon->soa_expiry = SOA_EXPIRY;	daemon->soa_expiry = SOA_EXPIRY;
add_txt("version.bind", "dnsmasq-" VERSION, 0 );	daemon->randport_limit = 1;
add_txt("authors.bind", "Simon Kelley", 0);	daemon->host_index = SRC_AH;
add_txt("copyright.bind", COPYRIGHT, 0);
add_txt("cachesize.bind", NULL, TXT_STAT_CACHESIZE);	/* See comment above make_servers(). Optimises server-read code. */
add_txt("insertions.bind", NULL, TXT_STAT_INSERTS);	mark_servers(0);
add_txt("evictions.bind", NULL, TXT_STAT_EVICTIONS);
add_txt("misses.bind", NULL, TXT_STAT_MISSES);
add_txt("hits.bind", NULL, TXT_STAT_HITS);
#ifdef HAVE_AUTH
add_txt("auth.bind", NULL, TXT_STAT_AUTH);
#endif
add_txt("servers.bind", NULL, TXT_STAT_SERVERS);

while (1)	while (1)
{	{
#ifdef HAVE_GETOPT_LONG	#ifdef HAVE_GETOPT_LONG
Line 4303 void read_opts(int argc, char *argv, char compile_op	Line 5792 void read_opts(int argc, char *argv, char compile_op
/* Copy optarg so that argv doesn't get changed */	/* Copy optarg so that argv doesn't get changed */
if (optarg)	if (optarg)
{	{
strncpy(buff, optarg, MAXDNAME);	if (strlen(optarg) >= argbuf_size)
buff[MAXDNAME-1] = 0;	{
arg = buff;	free(argbuf);
	argbuf_size = strlen(optarg) + 1;
	argbuf = opt_malloc(argbuf_size);
	}
	safe_strncpy(argbuf, optarg, argbuf_size);
	arg = argbuf;
}	}
else	else
arg = NULL;	arg = NULL;
Line 4339 void read_opts(int argc, char *argv, char compile_op	Line 5833 void read_opts(int argc, char *argv, char compile_op
}	}
else if (option == 'C')	else if (option == 'C')
{	{
conffile_opt = 0; /* file must exist */	if (!conffile)
conffile = opt_string_alloc(arg);	conffile = opt_string_alloc(arg);
	else
	{
	char *extra = opt_string_alloc(arg);
	one_file(extra, 0);
	free(extra);
	}
}	}
else	else
{	{
Line 4353 void read_opts(int argc, char *argv, char compile_op	Line 5853 void read_opts(int argc, char *argv, char compile_op
}	}
}	}

	free(argbuf);

if (conffile)	if (conffile)
one_file(conffile, conffile_opt);	{
	one_file(conffile, 0);
	free(conffile);
	}
	else
	one_file(CONFFILE, LOPT_CONF_OPT);

	/* Add TXT records if wanted */
	#ifndef NO_ID
	if (!option_bool(OPT_NO_IDENT))
	{
	add_txt("version.bind", "dnsmasq-" VERSION, 0 );
	add_txt("authors.bind", "Simon Kelley", 0);
	add_txt("copyright.bind", COPYRIGHT, 0);
	add_txt("cachesize.bind", NULL, TXT_STAT_CACHESIZE);
	add_txt("insertions.bind", NULL, TXT_STAT_INSERTS);
	add_txt("evictions.bind", NULL, TXT_STAT_EVICTIONS);
	add_txt("misses.bind", NULL, TXT_STAT_MISSES);
	add_txt("hits.bind", NULL, TXT_STAT_HITS);
	#ifdef HAVE_AUTH
	add_txt("auth.bind", NULL, TXT_STAT_AUTH);
	#endif
	add_txt("servers.bind", NULL, TXT_STAT_SERVERS);
	}
	#endif

/* port might not be known when the address is parsed - fill in here */	/* port might not be known when the address is parsed - fill in here */
if (daemon->servers)	if (daemon->servers)
{	{
Line 4365 void read_opts(int argc, char *argv, char compile_op	Line 5891 void read_opts(int argc, char *argv, char compile_op
{	{
if (tmp->source_addr.sa.sa_family == AF_INET)	if (tmp->source_addr.sa.sa_family == AF_INET)
tmp->source_addr.in.sin_port = htons(daemon->query_port);	tmp->source_addr.in.sin_port = htons(daemon->query_port);
#ifdef HAVE_IPV6
else if (tmp->source_addr.sa.sa_family == AF_INET6)	else if (tmp->source_addr.sa.sa_family == AF_INET6)
tmp->source_addr.in6.sin6_port = htons(daemon->query_port);	tmp->source_addr.in6.sin6_port = htons(daemon->query_port);
#endif	}
}	}
}

	if (daemon->host_records)
	{
	struct host_record *hr;

	for (hr = daemon->host_records; hr; hr = hr->next)
	if (hr->ttl == -1)
	hr->ttl = daemon->local_ttl;
	}

	if (daemon->cnames)
	{
	struct cname cn, cn2, *cn3;

	#define NOLOOP 1
	#define TESTLOOP 2

	/* Fill in TTL for CNAMES now we have local_ttl.
	Also prepare to do loop detection. */
	for (cn = daemon->cnames; cn; cn = cn->next)
	{
	if (cn->ttl == -1)
	cn->ttl = daemon->local_ttl;
	cn->flag = 0;
	cn->targetp = NULL;
	for (cn2 = daemon->cnames; cn2; cn2 = cn2->next)
	if (hostname_isequal(cn->target, cn2->alias))
	{
	cn->targetp = cn2;
	break;
	}
	}

	/* Find any CNAME loops.*/
	for (cn = daemon->cnames; cn; cn = cn->next)
	{
	for (cn2 = cn->targetp; cn2; cn2 = cn2->targetp)
	{
	if (cn2->flag == NOLOOP)
	break;

	if (cn2->flag == TESTLOOP)
	die(_("CNAME loop involving %s"), cn->alias, EC_BADCONF);

	cn2->flag = TESTLOOP;
	}

	for (cn3 = cn->targetp; cn3 != cn2; cn3 = cn3->targetp)
	cn3->flag = NOLOOP;
	}
	}

if (daemon->if_addrs)	if (daemon->if_addrs)
{	{
struct iname *tmp;	struct iname *tmp;
for(tmp = daemon->if_addrs; tmp; tmp = tmp->next)	for(tmp = daemon->if_addrs; tmp; tmp = tmp->next)
if (tmp->addr.sa.sa_family == AF_INET)	if (tmp->addr.sa.sa_family == AF_INET)
tmp->addr.in.sin_port = htons(daemon->port);	tmp->addr.in.sin_port = htons(daemon->port);
#ifdef HAVE_IPV6
else if (tmp->addr.sa.sa_family == AF_INET6)	else if (tmp->addr.sa.sa_family == AF_INET6)
tmp->addr.in6.sin6_port = htons(daemon->port);	tmp->addr.in6.sin6_port = htons(daemon->port);
#endif /* IPv6 */
}	}

/* create default, if not specified */	/* create default, if not specified */
Line 4390 void read_opts(int argc, char *argv, char compile_op	Line 5963 void read_opts(int argc, char *argv, char compile_op
strcpy(buff, "hostmaster.");	strcpy(buff, "hostmaster.");
strcat(buff, daemon->authserver);	strcat(buff, daemon->authserver);
daemon->hostmaster = opt_string_alloc(buff);	daemon->hostmaster = opt_string_alloc(buff);
	}

	if (!daemon->dhcp_pxe_vendors)
	{
	daemon->dhcp_pxe_vendors = opt_malloc(sizeof(struct dhcp_pxe_vendor));
	daemon->dhcp_pxe_vendors->data = opt_string_alloc(DHCP_PXE_DEF_VENDOR);
	daemon->dhcp_pxe_vendors->next = NULL;
}	}

/* only one of these need be specified: the other defaults to the host-name */	/* only one of these need be specified: the other defaults to the host-name */

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